Remove patch for hyprqt6engine

hyprqt6engine/fix-build.diff

@@ -1,15 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 94ecfef..19e9380 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -14,6 +14,10 @@ find_package(KF6Config)
- find_package(KF6ColorScheme)
- find_package(KF6IconThemes)
- 
-+if (Qt6Gui_VERSION VERSION_GREATER_EQUAL "6.9.0")
-+    find_package(Qt6GuiPrivate ${REQUIRED_QT_VERSION} REQUIRED NO_MODULE)
-+endif()
-+
- get_target_property(QT_QTPATHS_EXECUTABLE Qt6::qtpaths IMPORTED_LOCATION)
- 
- if(NOT PLUGINDIR)