Remove filtering concept from X86 disassembler table generation. It's no longer necessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201299 91177308-0d34-0410-b5e6-96231b3b80d8
Remove unused method declaration.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201301 91177308-0d34-0410-b5e6-96231b3b80d8