Remove variables tagged as unused. Easier to synchronize with current patches and makes

patches easier to read when variables are creating or e-using, but not un-commenting.

source/blender/editors/space_clip/clip_buttons.c

@@ -65,8 +65,6 @@
 
 static int clip_grease_pencil_panel_poll(const bContext *UNUSED(C), PanelType *UNUSED(pt))
 {
-	/* SpaceClip *sc = CTX_wm_space_clip(C); */ /* UNUSED */
-
 	return TRUE;
 }
 

source/blender/editors/space_clip/space_clip.c

@@ -977,8 +977,6 @@ static void graph_area_draw(const bContext *C, ARegion *ar)
 
 static void clip_preview_area_draw(const bContext *C, ARegion *ar)
 {
-	/* SpaceClip *sc = CTX_wm_space_clip(C); */ /* UNUSED */
-
 	graph_area_draw(C, ar);
 }
 

source/blender/editors/transform/transform.c

@@ -1591,7 +1591,6 @@ int initTransform(bContext *C, TransInfo *t, wmOperator *op, wmEvent *event, int
 		t->draw_handle_cursor = WM_paint_cursor_activate(CTX_wm_manager(C), helpline_poll, drawHelpline, t);
 	}
 	else if (t->spacetype == SPACE_CLIP) {
-		/* SpaceClip *sc = CTX_wm_space_clip(C); */ /* UNUSED */
 		unit_m3(t->spacemtx);
 		t->draw_handle_view = ED_region_draw_cb_activate(t->ar->type, drawTransformView, t, REGION_DRAW_POST_VIEW);
 		t->options |= CTX_MOVIECLIP;