Get rid of const char** typemaps.
Get rid of const char** typemaps.

We already have char** typemaps which were near copy-pastes of
the const char** versions.  This way we have only one version that
works for both.

git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@257670 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb