Remove RELEASE_SUFFIX variable

The RELEASE_NAME variable can be set directly now, so there's no need to
have a dedicated RELEASE_SUFFIX anymore. A previous configuration like

  RELEASE_SUFFIX: "-custom"

can now be achieved using:

  RELEASE_NAME: "Yocto-${RELEASE_VERSION}-custom"

build-pipeline.yml

@@ -345,12 +345,10 @@ workflow:
         --licenses-dir="${LICENSES_PATH}"
         --doc-dir=.
         --output-dir=release
-        --release-suffix="${RELEASE_SUFFIX}"
     - elif [[ "${PACKAGE_TYPE}" == "sdk" ]]; then
     - .gitlab-ci/scripts/package_release.py
         --sdk-dir="${SDK_PATH}"
         --output-dir=release
-        --release-suffix="${RELEASE_SUFFIX}"
     - fi
   cache:
     - key: ${CI_PIPELINE_ID}-${ASSOCIATED_BUILD_JOB}

scripts/package_release.py

@@ -87,11 +87,6 @@ def main():
         action="append",
         required=True,
     )
-    parser.add_argument(
-        "--release-suffix",
-        help="""Suffix to append to the release folder""",
-        dest="release_suffix",
-    )
     args, _ = parser.parse_known_args()
 
     # Get bitbake variables from testdata.json file
@@ -131,10 +126,6 @@ def main():
     else:
         release_name = f"Yocto-{version}"
 
-    # Append release suffix
-    if args.release_suffix is not None:
-        release_name = release_name + args.release_suffix
-
     # Create output directories
     output_dirs = []
     for output_dir in args.output_dir: