Removing useless help text from "-i" command line option.

IPython/terminal/ipapp.py

@@ -171,8 +171,7 b" frontend_flags['quick']=("
 
 frontend_flags['i'] = (
     {'TerminalIPythonApp' : {'force_interact' : True}},
-    """If running code from the command line, become interactive afterwards.
-    Note: can also be given simply as '-i'."""
+    """If running code from the command line, become interactive afterwards."""
 )
 flags.update(frontend_flags)