[flutter_tools] disable web compilation (#116368)

packages/flutter_tools/lib/src/asset.dart

@@ -753,6 +753,9 @@ class ManifestAssetBundle implements AssetBundle {
       }
     }
 
+    // TODO(jonahwilliams): re-enable this feature once
+    // flutter web is using engine compiled canvaskit.
+    if (targetPlatform != TargetPlatform.web_javascript) {
       for (final Uri shaderUri in flutterManifest.shaders) {
         _parseAssetFromFile(
           packageConfig,
@@ -766,6 +769,8 @@ class ManifestAssetBundle implements AssetBundle {
           assetKind: AssetKind.shader,
         );
       }
+    }
+
     // Add assets referenced in the fonts section of the manifest.
     for (final Font font in flutterManifest.fonts) {
       for (final FontAsset fontAsset in font.fontAssets) {