Use single quotes and update krankerl.toml

Signed-off-by: Julius Härtl <jus@bitgrid.net>

krankerl.toml

@@ -4,6 +4,7 @@ exclude = [
     ".git",
     "js/node_modules",
     "js/tests",
+    "js/legacy",
     "js/controller",
     "js/directive",
     "js/filters",
@@ -14,7 +15,6 @@ exclude = [
     "js/Gruntfile.js",
     "js/package.json",
     "js/package-lock.json",
-    "js/vendor/jquery",
     "tests",
     ".codecov.yml",
     "composer.json",