imp: remove old field texture preload hack

Author: ashconnell

src/client/components/Fields.js

@@ -488,16 +488,6 @@ export function FieldFile({ world, label, hint, kind: kindName, value, onChange
     if (nRef.current !== n) return
     // cache file locally so this client can insta-load it
     world.loader.insert(kind.type, url, file)
-
-    // Preload texture if it's a texture type
-    if (kind.type === 'texture') {
-      try {
-        await world.loader.load('texture', url)
-      } catch (err) {
-        console.warn('[FieldFile] Failed to preload texture:', err)
-      }
-    }
-
     // apply!
     setLoading(null)
     onChange(newValue)