Remove msc2716 from the list of tests for complement. (#11389)

As the tests are currently failing and not run in CI.

changelog.d/11389.misc

+Do not run the broken MSC2716 tests when running `scripts-dev/complement.sh`.

scripts-dev/complement.sh

@@ -65,4 +65,4 @@ if [[ -n "$1" ]]; then
 fi
 
 # Run the tests!
-go test -v -tags synapse_blacklist,msc2946,msc3083,msc2403,msc2716 -count=1 $EXTRA_COMPLEMENT_ARGS ./tests/...
+go test -v -tags synapse_blacklist,msc2946,msc3083,msc2403 -count=1 $EXTRA_COMPLEMENT_ARGS ./tests/...