the GHCi debugger now works with an unregisterised GHCi

testsuite/tests/ghc-regress/ghci.debugger/scripts/all.T

-
-# trac #1545: GHCi debugger doesn't work on an unregisterised compiler
-def f(opts):
-  if config.unregisterised:
-    opts.skip = 1
-setTestOpts(f)
-
 setTestOpts(extra_run_opts('-ignore-dot-ghci'))
 
 test('print001', normal, ghci_script, ['print001.script'])