chore(repo): update some readmes

Author: mandarini

packages/core/auth-js/README.md

@@ -155,10 +155,4 @@ The Docker setup includes:
 
 We welcome contributions! Please see our [Contributing Guide](../../../CONTRIBUTING.md) for details on how to get started.
 
-For major changes or if you're unsure about something, please open an issue first to discuss your proposed changes.
-
-## Sponsors
-
-We are building the features of Firebase using enterprise-grade, open source products. We support existing communities wherever possible, and if the products don't exist we build them and open source them ourselves.
-
-[![New Sponsor](https://user-images.githubusercontent.com/10214025/90518111-e74bbb00-e198-11ea-8f88-c9e3c1aa4b5b.png)](https://github.com/sponsors/supabase)
+For major changes or if you're unsure about something, please open an issue first to discuss your proposed changes.

packages/core/postgrest-js/README.md

@@ -196,10 +196,4 @@ For major changes or if you're unsure about something, please open an issue firs
 
 ## License
 
-This repo is licensed under MIT License.
-
-## Sponsors
-
-We are building the features of Firebase using enterprise-grade, open source products. We support existing communities wherever possible, and if the products don’t exist we build them and open source them ourselves. Thanks to these sponsors who are making the OSS ecosystem better for everyone.
-
-[![New Sponsor](https://user-images.githubusercontent.com/10214025/90518111-e74bbb00-e198-11ea-8f88-c9e3c1aa4b5b.png)](https://github.com/sponsors/supabase)
+This repo is licensed under MIT License.

packages/core/storage-js/README.md

@@ -875,10 +875,4 @@ The test infrastructure (`infra/docker-compose.yml`) includes:
 
 We welcome contributions! Please see our [Contributing Guide](../../../CONTRIBUTING.md) for details on how to get started.
 
-For major changes or if you're unsure about something, please open an issue first to discuss your proposed changes.
-
-## Sponsors
-
-We are building the features of Firebase using enterprise-grade, open source products. We support existing communities wherever possible, and if the products don’t exist we build them and open source them ourselves. Thanks to these sponsors who are making the OSS ecosystem better for everyone.
-
-[![New Sponsor](https://user-images.githubusercontent.com/10214025/90518111-e74bbb00-e198-11ea-8f88-c9e3c1aa4b5b.png)](https://github.com/sponsors/supabase)
+For major changes or if you're unsure about something, please open an issue first to discuss your proposed changes.

packages/core/supabase-js/README.md

@@ -185,11 +185,11 @@ cd ../../..
 | `test:integration:browser` | Browser tests using Deno + Puppeteer      | Supabase running + Deno installed       |
 | `test:edge-functions`      | Edge Functions tests                      | Supabase running + Deno installed       |
 | `test:types`               | TypeScript type checking + JSR validation | None                                    |
-| `test:deno`                | Deno runtime compatibility tests          | Supabase running + Deno installed       |
 | `test:bun`                 | Bun runtime compatibility tests           | Supabase running + Bun installed        |
+| `test:node:playwright`     | WebSocket browser tests                   | Supabase running + Playwright           |
+| Deno (see section below)   | Deno runtime compatibility tests          | Supabase running + Deno installed       |
 | Expo (see section below)   | React Native/Expo tests                   | Supabase running + dependencies updated |
 | Next.js (see below)        | Next.js SSR tests                         | Supabase running + dependencies updated |
-| `test:node:playwright`     | WebSocket browser tests                   | Supabase running + Playwright           |
 
 #### Unit Testing
 
@@ -249,10 +249,11 @@ npx nx test:all supabase-js
 # Prerequisites:
 # 1. Supabase must be running (see Prerequisites)
 # 2. Update test dependencies and pack current build
-npx nx update:test-deps:expo supabase-js
+cd packages/core/supabase-js
+npm run update:test-deps:expo
 
 # Run Expo tests from the Expo test project
-cd packages/core/supabase-js/test/integration/expo
+cd test/integration/expo
 npm install
 npm test
 cd ../../..