Remove unneeded comment in validate-schema.yml

Removed old comment about non-".json" that doesn't apply to the purpose of the code. Fixes Issue #307

Author: ccoffin

.github/workflows/validate-schema.yml

@@ -22,7 +22,6 @@ jobs:
       - name: Install schema2markmap NPM dependencies
         run: |
           npm --prefix "${CVE_SCHEMA_DIR}/support/schema2markmap" install "${CVE_SCHEMA_DIR}/support/schema2markmap"
-      # Rename the schema, since AJV doesn't like non-".json" extensions
       - name: Prepare schema for bundling
         run: |
           sed 's/file\://g' "${CVE_SCHEMA_DIR}/${CVE_SCHEMA_FILENAME}" > "${CVE_SCHEMA_DIR}/cve-schema.json"