[BE]: Enable readability-redundant-function-ptr-dereference check (py…

…torch#116538)

Enable an additional clang-tidy check to remove redundant function ptr dereferences to help make the code more readable.
Pull Request resolved: pytorch#116538
Approved by: https://github.com/malfet

.clang-tidy

@@ -55,6 +55,7 @@ readability-container-size-empty,
 readability-delete-null-pointer,
 readability-duplicate-include
 readability-misplaced-array-index,
+readability-redundant-function-ptr-dereference,
 readability-redundant-smartptr-get,
 readability-simplify-subscript-expr,
 readability-string-compare,