Bug 1486775 - Update .eslintignore for recent devtools changes. r=jdescottes

Differential Revision: https://phabricator.services.mozilla.com/D4446

--HG--
extra : moz-landing-system : lando

Author: Standard8

.eslintignore

@@ -120,8 +120,6 @@ devtools/shared/qrcode/tests/mochitest/test_decode.html
 devtools/shared/tests/mochitest/*.html
 devtools/shared/webconsole/test/test_*.html
 
-# Soon to be removed
-devtools/client/commandline/**
 # Soon to be removed, the new/ directory is explicitly excluded below due to
 # also being an imported repository.
 devtools/client/debugger/**
@@ -136,6 +134,9 @@ devtools/client/webide/preferences/**
 devtools/shared/preferences/**
 devtools/startup/preferences/devtools-startup.js
 
+# Ignore devtools generated code
+devtools/shared/css/generated/properties-db.js
+
 # Ignore devtools third-party libs
 devtools/shared/jsbeautify/*
 devtools/shared/acorn/*