remove phosh patch and use upstream diff

flake.nix

@@ -45,12 +45,19 @@
         name = "nixpkgs-patched-uninsane";
         src = basePkgs;
         patches = [
-          # for mobile: allow phoc to scale to non-integer values
+          # phosh: allow fractional scaling
-          ./nixpatches/01-phosh-float-scale.patch
+          (basePkgs.legacyPackages.${system}.fetchpatch {
+            url = "https://github.com/NixOS/nixpkgs/pull/175872.diff";
+            sha256 = "sha256-mEmqhe8DqlyCxkFWQKQZu+2duz69nOkTANh9TcjEOdY=";
+          })
           # for raspberry pi: allow building u-boot for rpi 4{,00}
+          # TODO: remove after upstreamed: https://github.com/NixOS/nixpkgs/pull/176018
           ./nixpatches/02-rpi4-uboot.patch
+          # TODO: remove after upstreamed: https://github.com/NixOS/nixpkgs/pull/176476
           ./nixpatches/03-whalebird-4.6.0.patch
+          # alternative to https://github.com/NixOS/nixpkgs/pull/173200
           ./nixpatches/04-dart-2.7.0.patch
+          # TODO: remove after upstreamed: https://github.com/NixOS/nixpkgs/pull/176476
           ./nixpatches/05-whalebird-aarch64.patch
         ];
       };

nixpatches/01-phosh-float-scale.patch

@@ -1,19 +0,0 @@
-diff --git a/nixos/modules/services/x11/desktop-managers/phosh.nix b/nixos/modules/services/x11/desktop-managers/phosh.nix
-index 4bf78fa16e7..13f7b3fbef2 100644
---- a/nixos/modules/services/x11/desktop-managers/phosh.nix
-+++ b/nixos/modules/services/x11/desktop-managers/phosh.nix
-@@ -78,7 +78,13 @@ let
-         description = ''
-           Display scaling factor.
-         '';
--        type = types.nullOr types.ints.unsigned;
-+        type = types.nullOr (
-+          types.addCheck
-+          (types.either types.int types.float)
-+          (x : x > 0)
-+        ) // {
-+          description = "null or positive integer or float";
-+        };
-         default = null;
-         example = 2;
-       };