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/development/python-modules/pygame/git.nix

@@ -38,7 +38,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Python library for games";
-    homepage = "http://www.pygame.org/";
+    homepage = http://www.pygame.org/;
     license = licenses.lgpl21Plus;
     platforms = platforms.linux;
     broken = true;