remove test section for those no tests

Author: Zetazzz

graphile/graphile-cache/README.md

@@ -179,10 +179,3 @@ This design ensures:
 - No memory leaks from orphaned PostGraphile instances
 - Automatic cleanup without manual intervention
 - Loose coupling between packages
-
-## 🧪 Testing
-
-```sh
-# requires a local Postgres available (defaults to postgres/password@localhost:5432)
-pnpm --filter graphile-cache test
-```

graphile/graphile-query/README.md

@@ -131,10 +131,3 @@ Supports full context, roles, and settings for advanced scenarios.
 * `query(query, variables?)`
 
 Lightweight version with no role or settings support.
-
-## 🧪 Testing
-
-```sh
-# requires a local Postgres available (defaults to postgres/password@localhost:5432)
-pnpm --filter graphile-query test
-```

graphile/graphile-settings/README.md

@@ -128,10 +128,3 @@ app.listen(settings.port);
 * `@graphile-contrib/pg-many-to-many`
 * `graphile-search-plugin`
 * `graphile-pg-type-mappings`
-
-## 🧪 Testing
-
-```sh
-# requires a local Postgres available (defaults to postgres/password@localhost:5432)
-pnpm --filter graphile-settings test
-```