Revert: "Patch from Todd Fiala that install the lldb.py module in the prefix directory and also makes install fail if the prefix directory can't be accessed"

Does not respect the prefix




git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@196499 91177308-0d34-0410-b5e6-96231b3b80d8