[actions] Don't install with --legacy-peer-deps in pretest check

Author: mdjermanovic

.github/workflows/node-pretest.yml

@@ -12,8 +12,6 @@ jobs:
         name: 'nvm install lts/* && npm install'
         with:
           node-version: 'lts/*'
-        env:
-          NPM_CONFIG_LEGACY_PEER_DEPS: true
       - run: npm run pretest
 
   posttest: