Removed if (true) then true, else false

without a check this code should be a bit faster, and thus
the check was really uneeded.
Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>

src/QmlControls/QGCButton.qml

@@ -43,11 +43,7 @@ Button {
         repeat:     true
 
         onTriggered: {
-            if (__lastGlobalMouseX != ScreenTools.mouseX() || __lastGlobalMouseY != ScreenTools.mouseY()) {
-                __forceHoverOff = true
-            } else {
-                __forceHoverOff = false
-            }
+            __forceHoverOff = (__lastGlobalMouseX != ScreenTools.mouseX() || __lastGlobalMouseY != ScreenTools.mouseY());
         }
     }