panfrost: Drop unused swizzles

Missed during format cleanup.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7408>
diff --git a/src/panfrost/lib/pan_texture.c b/src/panfrost/lib/pan_texture.c
index 66cafc2..dfb2d1c 100644
--- a/src/panfrost/lib/pan_texture.c
+++ b/src/panfrost/lib/pan_texture.c
@@ -364,19 +364,6 @@
         }
 }
 
-#define MALI_SWIZZLE_R001 \
-        (MALI_CHANNEL_R << 0) | \
-        (MALI_CHANNEL_0 << 3) | \
-        (MALI_CHANNEL_0 << 6) | \
-        (MALI_CHANNEL_1 << 9)
-
-#define MALI_SWIZZLE_A001 \
-        (MALI_CHANNEL_A << 0) | \
-        (MALI_CHANNEL_0 << 3) | \
-        (MALI_CHANNEL_0 << 6) | \
-        (MALI_CHANNEL_1 << 9)
-
-
 void
 panfrost_new_texture(
         void *out,