chore(scripts): remove commit lock on OAS download

Author: rubenhoenle

scripts/download-oas.sh

@@ -30,12 +30,6 @@ fi
 
 git clone "${OAS_REPO}" "${ROOT_DIR}/oas" --quiet
 
-# OPTIONAL: Lock to a specific commit
-if [[ "$OAS_REPO" == "https://github.com/stackitcloud/stackit-api-specifications.git" ]]; then
-	cd "${ROOT_DIR}/oas"
-	git checkout 335aa32af4d6c0d2a036b8567773da2f051f7efb
-fi
-
 # NOTE: Everything below is needed for the "compatibility layer" logic. 
 # It can be completely removed once the compatibility layer isn't needed anymore in the SDK.