remove lock file after checks are done (#1942)

Author: svyatonik

scripts/verify-pallets-build.sh

@@ -89,7 +89,6 @@ rm -rf $BRIDGES_FOLDER/scripts/update_substrate.sh
 rm -rf $BRIDGES_FOLDER/tools
 rm -f $BRIDGES_FOLDER/.dockerignore
 rm -f $BRIDGES_FOLDER/.gitlab-ci.yml
-rm -f $BRIDGES_FOLDER/Cargo.lock
 rm -f $BRIDGES_FOLDER/Cargo.toml
 rm -f $BRIDGES_FOLDER/ci.Dockerfile
 rm -f $BRIDGES_FOLDER/Dockerfile
@@ -125,4 +124,8 @@ cargo check -p pallet-bridge-relayers --features try-runtime
 cargo check -p bridge-runtime-common
 cargo check -p bridge-runtime-common --features runtime-benchmarks
 
+# we're removing lock file after all chechs are done. Otherwise we may use different
+# Substrate/Polkadot/Cumulus commits and our checks will fail
+rm -f $BRIDGES_FOLDER/Cargo.lock
+
 echo "OK"