doc: refine WebAssembly error documentation

Co-authored-by: Marco Ippolito <marcoippolito54@gmail.com>

Author: Han5991

doc/api/errors.md

@@ -3356,7 +3356,7 @@ The WASI instance has not been started.
 
 A feature requiring WebAssembly was used, but WebAssembly is not supported or
 has been disabled in the current environment (for example, when running with
-`--jitless`). The error message specifies which feature requires WebAssembly.
+`--jitless`).
 
 <a id="ERR_WEBASSEMBLY_RESPONSE"></a>