Remove caniuse.graphql.org proposal from project list (#2385)

No need for a grant there, I've made it available there:
https://caniuse.graphql.now/

Author: martinbonnin

src/pages/blog/2026-04-13-call-for-projects.mdx

@@ -34,7 +34,6 @@ For example, these topics have been discussed recently in the community and woul
 * Implement [semantic introspection](https://github.com/graphql/ai-wg/blob/main/rfcs/semantic-introspection.md) in graphql-js to make it easier for agents to discover GraphQL schemas and types.
 * Implement new experimental GraphQL features such as [`onError` or service capabilities](https://github.com/graphql/graphql-spec/pull/1163) in graphql-js.
 * Implement a type-safe query builder library using TypeScript.
-* Design and implement a "[caniuse.graphql.org](https://github.com/graphql/community-wg/issues/165)" website to make it easy to see at a glance what experimental features are supported in different frameworks.
 * Propose and implement an alternative way to thread in inputs to @skip/@include (highlighted as a problem [here](https://www.youtube.com/watch?t=498&v=Orgyp3xOqwY&feature=youtu.be)).
 * Design and implement a [content hub](https://github.com/graphql/community-wg/issues/158) for easily spreading the word about GraphQL.
 * Run a [GraphQL survey](https://github.com/graphql/community-wg/issues/55).
@@ -56,4 +55,4 @@ You can apply now by filing the [GraphQL grant application](https://docs.google.
 
 For any questions please reach out to [operations@graphql.org](mailto:operations@graphql.org) or join the discussion on [Discord](https://discord.graphql.org) (channel `#wg`).
 
-We're looking forward to your proposals!
+We're looking forward to your proposals!