Update scripts/split_repo_migration/single-library.git-migrate-history.sh

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: parthea

scripts/split_repo_migration/single-library.git-migrate-history.sh

@@ -142,7 +142,7 @@ echo "Success"
 popd # back to workdir
 
 # Do a diff between source code split repo and migrated code.
-git clone --recurse-submodules --recurse-submodules --recurse-submodules "[email protected]:${SOURCE_REPO}.git" source-repo-validation  # Not ideal to clone again.
+git clone --recurse-submodules "[email protected]:${SOURCE_REPO}.git" source-repo-validation  # Not ideal to clone again.
 find source-repo-validation -name .git -exec rm -rf {} +  # That folder is not needed for validation.
 
 DIFF_FILE="${WORKDIR}/diff.txt"