Cleanup docstring and remove dead code.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@148971 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/functionalities/completion/TestCompletion.py b/test/functionalities/completion/TestCompletion.py
index e1599cf..692babe 100644
--- a/test/functionalities/completion/TestCompletion.py
+++ b/test/functionalities/completion/TestCompletion.py
@@ -91,11 +91,10 @@
                                'target.process.thread.trace-thread'])
 
     def complete_from_to(self, str_input, patterns):
-        """Test the completion mechanism completes str_input to pattern, where
-        patterns could be a pattern-string or a list of pattern-strings"""
+        """Test that the completion mechanism completes str_input to patterns,
+        where patterns could be a pattern-string or a list of pattern-strings"""
+        # The default lldb prompt.
         prompt = "(lldb) "
-        add_prompt = "Enter your stop hook command(s).  Type 'DONE' to end.\r\n> "
-        add_prompt1 = "\r\n> "
 
         # So that the child gets torn down after the test.
         self.child = pexpect.spawn('%s %s' % (self.lldbHere, self.lldbOption))