Remove VOCAB_PLACEHOLDER.nt from 23,774 terms

[wickr]

This placeholder is not useful and can be removed.

Example:

people/GroveGaryF.nt:<http://opaquenamespace.org/ns/people/GroveGaryF> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <http://opaquenamespace.org/VOCAB_PLACEHOLDER.nt> .
people/GroveGaryF.nt:<http://opaquenamespace.org/ns/people/GroveGaryF> <http://www.w3.org/2000/01/rdf-schema#seeAlso> <http://opaquenamespace.org/VOCAB_PLACEHOLDER.nt> .

Some terms have values that have been decomposed and may need to be removed manually:

creator/KellyCharles.nt:<http://opaquenamespace.org/ns/creator/KellyCharles> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/KellyCharles.nt:<http://opaquenamespace.org/ns/creator/KellyCharles> <http://www.w3.org/2000/01/rdf-schema#seeAlso> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/GrayDon.nt:<http://opaquenamespace.org/ns/creator/GrayDon> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/GrayDon.nt:<http://opaquenamespace.org/ns/creator/GrayDon> <http://www.w3.org/2000/01/rdf-schema#seeAlso> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/GreaverHanne.nt:<http://opaquenamespace.org/ns/creator/GreaverHanne> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/GreaverHanne.nt:<http://opaquenamespace.org/ns/creator/GreaverHanne> <http://www.w3.org/2000/01/rdf-schema#seeAlso> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/PobanzNancy.nt:<http://opaquenamespace.org/ns/creator/PobanzNancy> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/PobanzNancy.nt:<http://opaquenamespace.org/ns/creator/PobanzNancy> <http://www.w3.org/2000/01/rdf-schema#seeAlso> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/GrosowskyAdam.nt:<http://opaquenamespace.org/ns/creator/GrosowskyAdam> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/GrosowskyAdam.nt:<http://opaquenamespace.org/ns/creator/GrosowskyAdam> <http://www.w3.org/2000/01/rdf-schema#seeAlso> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/RockJohn19191993.nt:<http://opaquenamespace.org/ns/creator/RockJohn19191993> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/RockJohn19191993.nt:<http://opaquenamespace.org/ns/creator/RockJohn19191993> <http://www.w3.org/2000/01/rdf-schema#seeAlso> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/GoldbloomBrian.nt:<http://opaquenamespace.org/ns/creator/GoldbloomBrian> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/GoldbloomBrian.nt:<http://opaquenamespace.org/ns/creator/GoldbloomBrian> <http://www.w3.org/2000/01/rdf-schema#seeAlso> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/RobinsonGerald.nt:<http://opaquenamespace.org/ns/creator/RobinsonGerald> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .
creator/RobinsonGerald.nt:<http://opaquenamespace.org/ns/creator/RobinsonGerald> <http://www.w3.org/2000/01/rdf-schema#seeAlso> "{:scheme=>\"http\", :authority=>\"opaquenamespace.org\", :userinfo=>nil, :user=>nil, :password=>nil, :host=>\"opaquenamespace.org\", :port=>nil, :path=>\"/VOCAB_PLACEHOLDER.nt\", :query=>nil, :fragment=>nil}" .