Nix: remove patch

nix/cmake.patch

@@ -1,15 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 07e2338..720810b 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -83,9 +83,4 @@ protocol("unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml" "linux-dmabuf-unst
- # Installation
- install(TARGETS hyprlock)
- 
--install(CODE "
--    if (NOT EXISTS \"${CMAKE_INSTALL_FULL_SYSCONFDIR}/pam.d/hyprlock\")
--        install(FILES \"${CMAKE_SOURCE_DIR}/pam/hyprlock\" DESTINATION \"${CMAKE_INSTALL_FULL_SYSCONFDIR}/pam.d\")
--    endif()
--")
--
-+install(FILES "${CMAKE_SOURCE_DIR}/pam/hyprlock" DESTINATION "${CMAKE_INSTALL_FULL_SYSCONFDIR}/pam.d")

nix/default.nix

@@ -21,11 +21,6 @@ stdenv.mkDerivation {
 
   src = ../.;
 
-  patches = [
-    # remove PAM file install check
-    ./cmake.patch
-  ];
-
   nativeBuildInputs = [
     cmake
     pkg-config