chore: remove old postgraphile-plugin-pgvector (superseded by graphile-pgvector-plugin)

Author: pyramation

.github/workflows/run-tests.yaml

@@ -77,8 +77,6 @@ jobs:
             env: {}
           - package: graphile/graphile-pgvector-plugin
             env: {}
-          - package: graphile/postgraphile-plugin-pgvector
-            env: {}
           - package: graphql/server-test
             env: {}
           - package: graphql/env

GRAPHILE.md

@@ -59,7 +59,7 @@ All Graphile RC dependencies are pinned to **exact versions** (no `^` or `~` pre
 - **graphile-cache** -- LRU cache with PostGraphile v5 integration
 - **graphile-test** -- PostGraphile v5 testing utilities
 - **graphile-authz** -- Dynamic authorization plugin for PostGraphile v5
-- **postgraphile-plugin-pgvector** -- pgvector similarity search plugin for PostGraphile v5
+- **graphile-pgvector-plugin** -- pgvector codec + auto-discovered vector search plugin for PostGraphile v5
 
 ### `graphql/` packages