Revert "[libkwineffects] Add windowId to EffectWindow"

This reverts commit 251bbbb5

effects.cpp

@@ -1833,7 +1833,6 @@ TOPLEVEL_HELPER(KWaylandServer::SurfaceInterface *, surface, surface)
 TOPLEVEL_HELPER(bool, isPopupWindow, isPopupWindow)
 TOPLEVEL_HELPER(bool, isOutline, isOutline)
 TOPLEVEL_HELPER(pid_t, pid, pid)
-TOPLEVEL_HELPER(qlonglong, windowId, windowId)
 
 #undef TOPLEVEL_HELPER
 

effects.h

@@ -454,7 +454,6 @@ public:
     bool isX11Client() const override;
 
     pid_t pid() const override;
-    qlonglong windowId() const override;
 
     QRect decorationInnerRect() const override;
     QByteArray readProperty(long atom, long type, int format) const override;

libkwineffects/kwineffects.h

@@ -2439,11 +2439,6 @@ public:
      */
     virtual pid_t pid() const = 0;
 
-    /**
-     * @since 5.21
-     */
-    virtual qlonglong windowId() const = 0;
-
     /**
      * Can be used to by effects to store arbitrary data in the EffectWindow.
      *

[Nicolas Fella]

Sorry for the accidental push