website/frontend: remove references to development.js

Author: dannywillems

website/docs/developers/frontend/index.mdx

@@ -91,11 +91,6 @@ determine network endpoints, build optimizations, and feature sets:
   - Debug features enabled
   - Hot reload and development tools
 
-- **`development`** - Development/testnet configuration
-  - Connects to development network endpoints
-  - Enhanced logging and debugging features
-  - Non-minified builds for easier debugging
-
 - **`production`** - Production network configuration
   - Connects to mainnet or production endpoints
   - Fully optimized builds with minification

website/docs/developers/frontend/node-dashboard.mdx

@@ -103,8 +103,6 @@ make build-webnode
 The frontend uses environment-specific configuration files located in
 `src/assets/environments/`:
 
-- [`development.js`](https://github.com/o1-labs/mina-rust/blob/develop/frontend/src/assets/environments/development.js) -
-  Development servers
 - [`fuzzing.js`](https://github.com/o1-labs/mina-rust/blob/develop/frontend/src/assets/environments/fuzzing.js) -
   Fuzzing tests
 - [`local.js`](https://github.com/o1-labs/mina-rust/blob/develop/frontend/src/assets/environments/local.js) -