Remove --category option from C3 docs because it does not work

Author: irvinebroque

src/content/docs/pages/get-started/c3.mdx

@@ -98,17 +98,6 @@ bun create cloudflare@latest [--] [<DIRECTORY>] [OPTIONS] [-- <NESTED ARGS...>]
 
   - CLI arguments to pass to eventual third party CLIs C3 might invoke (in the case of full-stack applications).
 
-- `--category` <Type text="string" /> <MetaInfo text="optional" />
-
-  - The kind of templates that should be created.
-
-  - The possible values for this option are:
-
-    - `hello-world`: Hello World example
-    - `web-framework`: Framework Starter
-    - `demo`: Application Starter
-    - `remote-template`: Template from a GitHub repo
-
 - `--type` <Type text="string" /> <MetaInfo text="optional" />
 
   - The type of application that should be created.