We don't need to specify the VALID_ARCHS in the xcode project file.
Also, don't build debugserver with -DUSE_ARM_DISASSEMBLER_FRAMEWORK -
that framework isn't around at this point.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@176759 91177308-0d34-0410-b5e6-96231b3b80d8