drm: omapdrm: tiler: Remove unneded module alias for tiler

omap_dmm_tiler.c can't be compiled as a module and it is built
unconditionally as part of omapdrm. Since it can't be used as a module,
there is no need for it to have an unused MODULE_ALIAS().

Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
index 7841970..51554c9 100644
--- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
+++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
@@ -1030,4 +1030,3 @@
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Andy Gross <andy.gross@ti.com>");
 MODULE_DESCRIPTION("OMAP DMM/Tiler Driver");
-MODULE_ALIAS("platform:" DMM_DRIVER_NAME);