Revert "docs: add required abort signal feature"

This reverts commit 3058b0b.

Author: NathanFlurry

site/src/content/docs/actors/quickstart/cloudflare-workers.mdx

@@ -111,7 +111,7 @@ Configure your `wrangler.json` for Cloudflare Workers:
   "name": "my-rivetkit-app",
   "main": "src/index.ts",
   "compatibility_date": "2025-01-20",
-  "compatibility_flags": ["nodejs_compat", "enable_request_signal"],
+  "compatibility_flags": ["nodejs_compat"],
   "migrations": [
     {
       "tag": "v1",
@@ -135,10 +135,6 @@ Configure your `wrangler.json` for Cloudflare Workers:
 }
 ```
 
-<Note>
-	`enable_request_signal` compatibility flags is required if using SSE. Without it, SSE connections will never abort.
-</Note>
-
 Start the development server:
 
 ```sh

site/src/content/docs/integrations/cloudflare-workers.mdx

@@ -83,7 +83,7 @@ Update your `wrangler.json` configuration to support `ACTOR_DO` and `ACTOR_KV` b
   "name": "my-rivetkit-app",
   "main": "src/index.ts",
   "compatibility_date": "2025-01-20",
-  "compatibility_flags": ["nodejs_compat", "enable_request_signal"],
+  "compatibility_flags": ["nodejs_compat"],
   "migrations": [
     {
       "tag": "v1",
@@ -107,10 +107,6 @@ Update your `wrangler.json` configuration to support `ACTOR_DO` and `ACTOR_KV` b
 }
 ```
 
-<Note>
-	`enable_request_signal` compatibility flags is required if using SSE. Without it, SSE connections will never abort.
-</Note>
-
 **Configuration Requirements:**
 
 - `ACTOR_DO` - Durable Object binding for actor persistence