pkgs: refactor needless quoting of homepage meta attribute (#27809)

* pkgs: refactor needless quoting of homepage meta attribute

A lot of packages are needlessly quoting the homepage meta attribute
(about 1400, 22%), this commit refactors all of those instances.

* pkgs: Fixing some links that were wrongfully unquoted in the previous
commit

* Fixed some instances

pkgs/games/tome4/default.nix

@@ -34,7 +34,7 @@ EOF
     cp -r game $out/opt/tome4
   '';
   meta = with stdenv.lib; {
-    homepage = "http://te4.org/";
+    homepage = http://te4.org/;
     description = "Tales of Maj'eyal (rogue-like game)";
     maintainers = [ maintainers.chattered ];
     license = licenses.gpl3;