Coala: IgnoreResultAction is offered again after applied

[userzimmermann]

Realized while dealing with https://github.com/coala/coala/pull/3337#discussion_r150388002 (import at end of file, overwriting a class for experimental purpose)

**** PyUnusedCodeBear [Section: flakes | Severity: NORMAL] ****
!    ! This file contains unused source code.
[----] c:\users\zimmermann\projects\coala\lib\coalib\parsing\confparser.py
[++++] c:\users\zimmermann\projects\coala\lib\coalib\parsing\confparser.py
[ 165] from .SimplerConfParser import SimplerConfParser as ConfParser
[    ] *0. Do (N)othing
[    ]  1. (O)pen file
[    ]  2. (A)pply patch
[    ]  3. Print (M)ore info
[    ]  4. Add (I)gnore comment
[    ]  5. Show Applied (P)atches
[    ]  6. (G)enerate patches
[    ] Enter number (Ctrl-Z to exit): i
[    ] An ignore comment was added to your source code.
[    ] *0. Do (N)othing
[    ]  1. (O)pen file
[    ]  2. Print (M)ore info
[    ]  3. Add (I)gnore comment

[gitmate-bot]

GitMate.io thinks a possibly duplicate or related issue is #4851: IgnoreResultAction violates line length restrictions.

[userzimmermann]

@sils @Nosferatul @nemaniarjun @arush0311 Ideas about that?

[mrtes]

I guess this issue is a duplicate of #3375.

4179 is my corresponding PR, which is currently waiting for reviews :)

[userzimmermann]

Closing in favor of https://github.com/coala/coala/issues/3375 with existing PR https://github.com/coala/coala/pull/4179