policies.json: No longer remove Google

This commit makes it so that Google is no longer is hard removed from Firefox ESR, and can be picked as default if people want to.

Blame goes to https://cast.postmarketos.org/episode/39-Interview-magdesign/

src/policies.json

@@ -61,7 +61,6 @@
                 "GMX Search",
                 "GMX Shopping",
                 "GMX Suche",
-                "Google",
                 "Gule sider",
                 "Heureka",
                 "Hotline",