applications: install GIMP via brew on OSX

modules/applications/darwin.nix

@@ -22,7 +22,7 @@
 
     "/Applications/OBS.app"
     "/Applications/Nix Apps/Audacity.app"
-    "/Applications/Nix Apps/GNU Image Manipulation Program.app"
+    "/Applications/GIMP.app"
     "/Applications/Krita.app"
     "/Applications/Blender.app"
     "/Applications/OpenUTAU.app"
@@ -39,6 +39,7 @@
       "blender"
       "obs"
       "grayjay"
+      "gimp"
 
       "the-unarchiver"
       "battery"

modules/applications/default.nix

@@ -3,7 +3,6 @@
 {
   environment.systemPackages = with pkgs; [
     spotify
-    gimp
     audacity
     obsidian
     keepassxc
@@ -17,6 +16,7 @@
     openutau
     obs-studio
     blender
+    gimp
   ]) ++ lib.optionals pkgs.stdenv.isDarwin (with pkgs; [
     iina
     utm