Revert "Validate Cargo.lock"

This reverts commit 15919ad.

.github/workflows/fmt-and-lint.yml

@@ -29,9 +29,6 @@ jobs:
       - name: Build cache
         uses: ./.github/actions/build-cache
 
-      - name: Backup Cargo.lock
-        run: cp Cargo.lock Cargo.lock.bak
-
       - name: fmt check
         # Format checks aren't OS dependant.
         if: matrix.os == 'ubuntu-latest'
@@ -40,14 +37,6 @@ jobs:
       - name: clippy lint
         run: cargo clippy --all-targets --all-features -- --D warnings
 
-      - name: Validate Cargo.lock
-        run: |
-          if ! diff Cargo.lock Cargo.lock.bak; then
-            echo "Error: Cargo.lock has changed during the workflow. Ensure Cargo.lock is up-to-date and committed."
-            exit 1
-          fi
-        shell: bash
-
   wasm-lint:
     name: Wasm Lint Checks
     timeout-minutes: 45