Don't convert boolean arguments going to wasm

The wasm spec defines boolean conversion when crossing to the wasm type
i32 as 1 for `true` and 0 for `false`, so no need for us to do it
ourselves!

crates/cli-support/src/js/js2rust.rs

@@ -401,7 +401,7 @@ impl<'a, 'b> Js2Rust<'a, 'b> {
                         name = name
                     ));
                 }
-                self.rust_arguments.push(format!("{} ? 1 : 0", name));
+                self.rust_arguments.push(format!("{}", name));
             }
             Descriptor::Char => {
                 self.js_arguments.push((name.clone(), "string".to_string()));