chore: remove bad entries (googleapis#8171)

This was added during the migration in googleapis#7606 but there is no
manifest entry associated with these, and they don't look like they
are released things.

Author: codyoss

release-please-config.json

@@ -228,12 +228,6 @@
     "packages/google-cloud-workloadmanager": {},
     "packages/google-cloud-ces": {},
     "packages/google-maps-navconnect": {},
-    "core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech": {},
-    "core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v1-nodejs": {},
-    "core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v1p1beta1-nodejs": {},
-    "core/generator/gapic-generator-typescript/test-fixtures/google-cloud-speech-nodejs/speech-v2-nodejs": {},
-    "core/generator/gapic-generator-typescript/test-fixtures/google-cloud-tasks-nodejs/tasks-v2-nodejs": {},
-    "core/generator/gapic-generator-typescript/test-fixtures/google-cloud-tasks-nodejs/tasks-v2beta2-nodejs": {},
     "packages/google-cloud-auditmanager": {},
     "packages/google-maps-geocode": {},
     "packages/google-cloud-datacatalog-lineage-configmanagement": {}