ci: Removing echo

Signed-off-by: Tyler Erickson <tyler.erickson@seagate.com>

Author: vonericsen

.github/workflows/source-release.yml

@@ -61,7 +61,6 @@ jobs:
           # https://github.com/slsa-framework/slsa-github-generator/blob/main/internal/builders/generic/README.md#provenance-for-artifacts-built-across-multiple-operating-systems
           set -euo pipefail
           (sha256sum -t ${{ format('SourceCode_With_Submodules{0}',  matrix.config.extension) }} || shasum -a 256 ${{ format('SourceCode_With_Submodules{0}',  matrix.config.extension) }}) > checksum
-          echo "checksum = $checksum"
           echo "hash-SourceCode_With_Submodules-${{ matrix.config.name }}=$(base64 -w0 checksum || base64 checksum)" >> "${GITHUB_OUTPUT}"
 
     - name: Upload Source Archive as Artifact