Remove files in the right order so that .gitignore is taken into account

.travis.yml

@@ -11,7 +11,8 @@ script:
 - git config --global user.name "Travis CI"
 - git config --global user.email "travis@nobody.com"
 - git add -A . &> /dev/null
-- git rm -f .gitignore Gruntfile.js
+- git rm -f .gitignore || true
+- git rm -f Gruntfile.js || true
 - git commit -m "auto-commit" &>/dev/null
 - git log --oneline --decorate --graph -10
 - git push --force --quiet "https://${GH_TOKEN}@github.com/jsmaniac/scribble-mathjax.git" HEAD:refs/heads/v2.6-racket-mini

Gruntfile.js

@@ -306,7 +306,7 @@ module.exports = function(grunt) {
         "images" // these are used in the menu. Removing them will give you 404 errors but nothing will break.
       ],
       notcode: [
-        ".gitignore",
+        //".gitignore",
         "docs",
         "test",
         "CONTRIBUTING.md",