fix: remove generator from release-please config (#754)

Author: miguelvelezsa

release-please-config.json

@@ -6,7 +6,6 @@
     "dev-packages/jsdoc-region-tag": {},
     "dev-packages/logging-utils": {},
     "dev-packages/pack-n-play": {},
-    "generator/gapic-generator-typescript": {},
     "packages/google-auth-library-nodejs": {},
     "packages/gax": {},
     "packages/gaxios": {},