[PCH] Remove building a SmallPtrSet that is not actually used for anything.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176354 91177308-0d34-0410-b5e6-96231b3b80d8
Correctly format arrays of pointers and function types.

Before:
void f(Type(*parameter)[10]) {}
int(*func)(void *);

After:
void f(Type (*parameter)[10]) {}
int (*func)(void *);

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176356 91177308-0d34-0410-b5e6-96231b3b80d8