chore: remove npm distribution remnants for CDN-only model

Delete .npmignore (only needed for npm publish) and remove stale
--legacy-peer-deps flag from CI workflow.

Author: ErickXavier

.github/workflows/ci.yml

@@ -21,6 +21,6 @@ jobs:
           node-version: 20
           cache: npm
 
-      - run: npm install --legacy-peer-deps
+      - run: npm install
       - run: npm run build
       - run: npm test