Revert bundler target specific default transformations

`webpack` now supports the reference type proposal.

Author: daxpedda

CHANGELOG.md

@@ -28,9 +28,6 @@
 * Optimized ABI performance for `Option<{i32,u32,isize,usize,f32,*const T,*mut T}>`.
   [#4183](https://github.com/rustwasm/wasm-bindgen/pull/4183)
 
-* Reference type proposal transformations are not applied by default when detecting it in the Wasm module for the bundler target because currently `webpack` doesn't support it.
-  [#4235](https://github.com/rustwasm/wasm-bindgen/pull/4235)
-
 * Deprecate `--reference-types` in favor of automatic target feature detection.
   [#4237](https://github.com/rustwasm/wasm-bindgen/pull/4237)
 

crates/cli-support/src/lib.rs

@@ -325,10 +325,7 @@ impl Bindgen {
         };
 
         // Enable reference type transformations if the module is already using it.
-        // Currently `webpack` does not support reference types.
-        if !matches!(self.mode, OutputMode::Bundler { .. })
-            && wasm_bindgen_wasm_conventions::target_feature(&module, "reference-types").ok()
-                == Some(true)
+        if let Ok(true) = wasm_bindgen_wasm_conventions::target_feature(&module, "reference-types")
         {
             self.externref = true;
         }