Stop testing ssl3 when it isn't enabled

We already have a specific component in all.sh for testing SSLv3, we don't
need to also test it in components that aren't specifically about it.

Previously config.py full enabled SSLv3, but it no longer does since it is
deprecated.
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index e76b9d4..6289534 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -912,9 +912,6 @@
     msg "test: compat.sh default (full minus MBEDTLS_USE_PSA_CRYPTO)"
     if_build_succeeded tests/compat.sh
 
-    msg "test: compat.sh ssl3 (full minus MBEDTLS_USE_PSA_CRYPTO)"
-    if_build_succeeded env OPENSSL_CMD="$OPENSSL_LEGACY" tests/compat.sh -m 'ssl3'
-
     msg "test: compat.sh RC4, DES & NULL (full minus MBEDTLS_USE_PSA_CRYPTO)"
     if_build_succeeded env OPENSSL_CMD="$OPENSSL_LEGACY" GNUTLS_CLI="$GNUTLS_LEGACY_CLI" GNUTLS_SERV="$GNUTLS_LEGACY_SERV" tests/compat.sh -e '3DES\|DES-CBC3' -f 'NULL\|DES\|RC4\|ARCFOUR'