[Remarks] Add cl::Hidden to -remarks-yaml-string-table
[Remarks] Add cl::Hidden to -remarks-yaml-string-table

It was showing up in a lot of unrelated tools.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@365647 91177308-0d34-0410-b5e6-96231b3b80d8

GPUOpen-Drivers/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm