test: remove finalizers table overflow test

This test is no longer needed in the Tarantool test suite
since it was added to LuaJIT's test suite along with the fix
for the issue mentioned in #3060 in scope of #8825 in commit
tarantool/luajit@7b98314e0dacc7313c061aceeb0a32afd4e8cbce.

Closes #3060
Related to #8825

NO_DOC=Cleanup
NO_TEST=Already included in LuaJIT bump
NO_CHANGELOG=Already included in LuaJIT bump