SDL_image: Minor cleanup

From 1d1c9e3e2473a6fc15fd5b8f836c2bfc6fa6e5a9 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Mon, 5 Sep 2022 12:14:52 -0700
Subject: [PATCH] Minor cleanup

---
 test-versioning.sh | 1 -
 1 file changed, 1 deletion(-)

diff --git a/test-versioning.sh b/test-versioning.sh
index cf1e59f7..cec53e00 100755
--- a/test-versioning.sh
+++ b/test-versioning.sh
@@ -11,7 +11,6 @@ ref_major=$(sed -ne 's/^#define SDL_IMAGE_MAJOR_VERSION  *//p' SDL_image.h)
 ref_minor=$(sed -ne 's/^#define SDL_IMAGE_MINOR_VERSION  *//p' SDL_image.h)
 ref_micro=$(sed -ne 's/^#define SDL_IMAGE_PATCHLEVEL  *//p' SDL_image.h)
 ref_version="${ref_major}.${ref_minor}.${ref_micro}"
-ref_sdl_req=$(sed -ne 's/^SDL_VERSION=//p' configure.ac)
 
 tests=0
 failed=0