evas: Remove unused variable

Signed-off-by: Chris Michael <cp.michael@samsung.com>

src/lib/evas/common/evas_image_main.c

@@ -443,8 +443,6 @@ surf_debug(void)
 EAPI void
 evas_common_rgba_image_unload(Image_Entry *ie)
 {
-   RGBA_Image   *im = (RGBA_Image *) ie;
-
    if (!ie->flags.loaded) return;
    if ((!ie->info.module) && (!ie->data1)) return;
    if (!ie->file && !ie->f) return;