Revert "perf build: Suppress openssl v3 deprecation warnings in libcrypto feature test"

This reverts commit 10fef869a5.

Because a proper fix was submitted.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/build/feature/test-libcrypto.c

@@ -2,12 +2,6 @@
 #include <openssl/sha.h>
 #include <openssl/md5.h>
 
-/*
- * The MD5_* API have been deprecated since OpenSSL 3.0, which causes the
- * feature test to fail silently. This is a workaround.
- */
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-
 int main(void)
 {
 	MD5_CTX context;