avfilter/vf_v360: remove pointless special case when allocating stuff

libavfilter/vf_v360.c

@@ -2348,22 +2348,13 @@ static int config_output(AVFilterLink *outlink)
         s->nb_allocated = 1;
         s->map[0] = s->map[1] = s->map[2] = s->map[3] = 0;
         allocate_plane(s, sizeof_uv, sizeof_ker, 0);
-    } else if (desc->log2_chroma_h == desc->log2_chroma_w) {
+    } else {
         s->nb_allocated = 2;
         s->map[0] = 0;
         s->map[1] = s->map[2] = 1;
         s->map[3] = 0;
         allocate_plane(s, sizeof_uv, sizeof_ker, 0);
         allocate_plane(s, sizeof_uv, sizeof_ker, 1);
-    } else {
-        s->nb_allocated = 3;
-        s->map[0] = 0;
-        s->map[1] = 1;
-        s->map[2] = 2;
-        s->map[3] = 0;
-        allocate_plane(s, sizeof_uv, sizeof_ker, 0);
-        allocate_plane(s, sizeof_uv, sizeof_ker, 1);
-        allocate_plane(s, sizeof_uv, sizeof_ker, 2);
     }
 
     calculate_rotation_matrix(s->yaw, s->pitch, s->roll, rot_mat, s->rotation_order);