Disable wayland

Index: app/app.pro
--- app/app.pro.orig
+++ app/app.pro
@@ -90,11 +90,6 @@ unix:!macx {
         }
     }
 
-    packagesExist(wayland-client) {
-        DEFINES += HAS_WAYLAND
-        PKGCONFIG += wayland-client
-    }
-
     packagesExist(x11) {
         DEFINES += HAS_X11
         PKGCONFIG += x11
