Revert patch in test_sysconfig.test_triplet_in_ext_suffix

Summary: we no longer customize multiarch and extension suffix in the internal build, so this patch is no longer needed

Reviewed By: amyreese

Differential Revision: D52771575

fbshipit-source-id: ae35a05e526da53a8a0adf67add9af52c51a7aa6

Lib/test/test_sysconfig.py

@@ -495,9 +495,7 @@ def test_triplet_in_ext_suffix(self):
             if ctypes.sizeof(ctypes.c_char_p()) == 4:
                 expected_suffixes = 'i386-linux-gnu.so', 'x86_64-linux-gnux32.so', 'i386-linux-musl.so'
             else: # 8 byte pointer size
-                # START META PATCH (expect our multiarch extension suffix)
-                expected_suffixes = 'x86_64-linux-gnu.so', 'x86_64-linux-musl.so', 'fb-010-x86_64.so'
-                # END META PATCH
+                expected_suffixes = 'x86_64-linux-gnu.so', 'x86_64-linux-musl.so'
             self.assertTrue(suffix.endswith(expected_suffixes),
                             f'unexpected suffix {suffix!r}')