remove submodule update

Author: rinej

.github/workflows/reassurePerformanceTests.yml

@@ -55,13 +55,12 @@ jobs:
           npm install --force || (rm -rf node_modules && npm install --force) 
           NODE_OPTIONS=--experimental-vm-modules npx reassure --baseline
           git switch --force --detach -
-          git submodule update --init --recursive
-          git merge --no-commit --allow-unrelated-histories "$BASELINE_BRANCH" -X ours
-          git checkout --ours .
           cd Mobile-Expensify
           git checkout "$(git rev-parse HEAD)"
           cd ..
           git add Mobile-Expensify
+          git merge --no-commit --allow-unrelated-histories "$BASELINE_BRANCH" -X ours
+          git checkout --ours .
           npm install --force || (rm -rf node_modules && npm install --force)
           NODE_OPTIONS=--experimental-vm-modules npx reassure --branch