message: [lldb][NFC] Remove unused prompt variable in TestMultilineCompletion.py
diff: @@ -15,8 +15,6 @@ class MultilineCompletionTest(PExpectTest):
  """Test that we can complete a simple multiline expression"""
  self.build()
  - prompt = "(lldb) "
  -
  self.launch(executable=self.getBuildArtifact("a.out"))
  self.expect("b main", substrs=["Breakpoint 1", "address ="])
  self.expect("run", substrs=["stop reason ="])
  