chore(action.yml): remove npm cache configuration from setup-node action

The npm cache configuration is removed from the setup-node action to
simplify the action configuration. The cache settings were not
providing significant performance improvements and were adding
unnecessary complexity. This change aims to streamline the GitHub
Actions workflow.

Author: kzndotsh

.github/actions/setup-nodejs-markdown/action.yml

@@ -14,8 +14,6 @@ runs:
       uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
       with:
         node-version: ${{ inputs.node-version }}
-        cache: npm
-        cache-dependency-path: '**/package*.json'
 
     # NPM CACHE OPTIMIZATION
     # Reduces markdownlint installation time on repeated runs