Revert "monitor-manager: Flip transform"

This reverts commit 75cad1aa.

There's no need to flip the transform with recent wlroots/phoc, we
end up flipping the upside down in landscape mode otherwise when
e.g. changing scale.

src/monitor-manager.c

@@ -162,34 +162,6 @@ phosh_monitor_manager_get_head_from_monitor (PhoshMonitorManager *self, PhoshMon
   return NULL;
 }
 
-
-static gint32
-phosh_monitor_manager_flip_transform (PhoshMonitorTransform transform)
-{
-  /* Wayland rotation is opposite from DBus */
-  switch (transform) {
-  case PHOSH_MONITOR_TRANSFORM_90:
-    return WL_OUTPUT_TRANSFORM_270;
-    break;
-  case PHOSH_MONITOR_TRANSFORM_270:
-    return WL_OUTPUT_TRANSFORM_90;
-    break;
-  case PHOSH_MONITOR_TRANSFORM_FLIPPED_90:
-    return WL_OUTPUT_TRANSFORM_FLIPPED_270;
-    break;
-  case PHOSH_MONITOR_TRANSFORM_FLIPPED_270:
-    return WL_OUTPUT_TRANSFORM_FLIPPED_90;
-    break;
-  case PHOSH_MONITOR_TRANSFORM_NORMAL:
-  case PHOSH_MONITOR_TRANSFORM_180:
-  case PHOSH_MONITOR_TRANSFORM_FLIPPED:
-  case PHOSH_MONITOR_TRANSFORM_FLIPPED_180:
-  default:
-    /* Nothing to be done */
-    return transform;
-  }
-}
-
 /*
  * DBus Interface
  */
@@ -801,7 +773,7 @@ config_head_config_from_logical_monitor_variant (PhoshMonitorManager *self,
     head->pending.scale = scale;
     head->pending.x = x;
     head->pending.y = y;
-    head->pending.transform = phosh_monitor_manager_flip_transform (transform);
+    head->pending.transform = transform;
     head->pending.enabled = TRUE;
     head->pending.seen = TRUE;
   }