🐝 remove obsolete code

[danyx23]

This PR removes a bunch of code that is no longer needed after the first round of DB refactors.

[danyx23]

• 🚧 remove typeorm annotations from GDocs classes #3299 : 2 dependent PRs (#3358 , #3372 )
• 🐝 remove obsolete code #3298 👈
• 🔨 migrate charts from typeorm to knex #3293
• 🔨 clean up posts access via knex #3292
• ✨ add transaction types and api route helpers #3271
• 🔨 migrate PostLink to knex #3259
• 💄 reorder parameters of knexRaw and knexRawFirst to have knex in first pos #3258
• master

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[danyx23]

Merge activity

• Mar 26, 10:04 AM EDT: @danyx23 started a stack merge that includes this pull request via Graphite.
• Mar 26, 10:14 AM EDT: Graphite rebased this pull request as part of a merge.
• Mar 26, 10:16 AM EDT: @danyx23 merged this pull request with Graphite.