eslintignore: remove not exsting file
eslintignore: remove not exsting file

Extracted from https://crrev.com/c/3367593/17/.eslintignore#10

Bug: None
Change-Id: I201908bc355048b0c2612c538498179bbc4c8fcd
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3380118
Auto-Submit: Takuto Ikuta <71927f930fca81015e0f496c65cd126ab1a692e3@chromium.org>
Reviewed-by: Tim Van der Lippe <dba8716ee7f8d16236046f74d2167cb94410f6ed@chromium.org>
Commit-Queue: Tim Van der Lippe <dba8716ee7f8d16236046f74d2167cb94410f6ed@chromium.org>

ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend