Remove fixed size int test in clang-tidy.

The check is to use int64_t instead of long long.  At the moment it creates
a lot of noise.  Adjusting the code is a larger undertaking so I'm turning it
off for now.  Once the code is fixed for it then we'll turn it back on.

.clang-tidy

-Checks: -*,cppcoreguidelines-*,google-*,llvm-*,misc-*,modernize-*,performance-*,-cppcoreguidelines-pro-type-vararg,-cppcoreguidelines-pro-bounds-array-to-pointer-decay
+Checks: -*,cppcoreguidelines-*,google-*,llvm-*,misc-*,modernize-*,performance-*,-cppcoreguidelines-pro-type-vararg,-cppcoreguidelines-pro-bounds-array-to-pointer-decay,-google-runtime-int
 
 CheckOptions:
   - key: 	google-runtime-int.TypeSuffix