There's no 'optimization' now, so drop that bit of the comment

Signed-off-by: Adam Williamson <[email protected]>

default/Makefile

@@ -19,7 +19,7 @@ all:
 install:
 	$(MKDIR) $(WP_DIR)/default
 	$(INSTALL) $(WP_NAME).xml	$(WP_DIR)/default/$(WP_NAME).xml 
-	#~ Base background and optimization
+	#~ Base background
         for tod in 01-day 01-night; do \
           $(INSTALL) $(WP_NAME)-$${tod}.png	$(WP_DIR)/default/$(WP_NAME)-$${tod}.png ; \
         done;