[Dynamo] Remove unused guard PYMODULE_MATCH (pytorch#152961)

Not used anywhere: https://www.internalfb.com/code/search?q=repo%3Afbcode%20PYMODULE_MATCH

Pull Request resolved: pytorch#152961
Approved by: https://github.com/jansel
ghstack dependencies: pytorch#152725, pytorch#152727, pytorch#152728, pytorch#152730, pytorch#152865, pytorch#152872

Author: jbschlosser

torch/_dynamo/guards.py

@@ -1782,9 +1782,6 @@ def CLOSURE_MATCH(self, guard: Guard):
     def BUILTIN_MATCH(self, guard: Guard):
         return self.FUNCTION_MATCH(guard)
 
-    def PYMODULE_MATCH(self, guard: Guard):
-        return self.FUNCTION_MATCH(guard)
-
     def SEQUENCE_LENGTH(self, guard):
         # This guard is used to check length of PySequence objects like list,
         # tuple, collections.deque etc