Change the test case name to not include 'teamd_' in it

If the test case name has the 'teamd_' in it, in the loganalyzer, when add the marker, the log will be writen to the /var/log/teamd.log, but not the /var/log/syslog, it will fail the loganalyzer

tests/pc/test_retry_count.py

@@ -260,7 +260,7 @@ def test_peer_retry_count_packet_version(self, duthost, nbrhosts, higher_retry_c
         """
         check_lacpdu_packet_version(duthost)
 
-    def test_kill_teamd_lag_up(self, duthost, nbrhosts, higher_retry_count_on_peers, config_reload_on_cleanup):
+    def test_kill_team_lag_up(self, duthost, nbrhosts, higher_retry_count_on_peers, config_reload_on_cleanup):
         """
         Test that the lag remains up for 150 seconds after killing teamd on the peer
         """
@@ -339,7 +339,7 @@ def test_retry_count_packet_version(self, duthost, nbrhosts, higher_retry_count_
         """
         check_lacpdu_packet_version(duthost)
 
-    def test_kill_teamd_peer_lag_up(self, duthost, nbrhosts, higher_retry_count_on_peers, config_reload_on_cleanup):
+    def test_kill_team_peer_lag_up(self, duthost, nbrhosts, higher_retry_count_on_peers, config_reload_on_cleanup):
         """
         Test that the lag remains up for 150 seconds after killing teamd on the DUT
         """