Removed a note that overconstrained attributes on function calls

Author: dneto0

wgsl/index.bs

@@ -8064,10 +8064,6 @@ A function call statement executes a [=function call=].
 
 Note: If the function [=return value|returns a value=], that value is ignored.
 
-Note: The only attribute that can be applied is the [=attribute/diagnostic=] attribute,
-and only when calling a
-[=builtin functions that compute a derivative|builtin function that computes a derivative=].
-
 ## Static Assertion Statement ## {#static-assert-statement}
 
 A static assertion statement produces a [=shader-creation error=] if the