chore(release): remove node release-type from release-please config

Author: tsdevau

release-please-config.json

@@ -2,7 +2,6 @@
   "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
   "packages": {
     ".": {
-      "release-type": "node",
       "pull-request-title-pattern": "build(${scope}): 🔖 Release ${component} ${version}",
       "pull-request-header": ":robot: PR by release-please bot",
       "include-v-in-tag": true,