[3d] remove unnecessary uploadTexture (#4357)

src/components/load3d/Load3DControls.vue

@@ -51,7 +51,6 @@
         @update-up-direction="handleUpdateUpDirection"
         @update-material-mode="handleUpdateMaterialMode"
         @update-edge-threshold="handleUpdateEdgeThreshold"
-        @upload-texture="handleUploadTexture"
       />
 
       <CameraControls
@@ -183,7 +182,6 @@ const emit = defineEmits<{
   (e: 'updateMaterialMode', mode: MaterialMode): void
   (e: 'updateEdgeThreshold', value: number): void
   (e: 'exportModel', format: string): void
-  (e: 'uploadTexture', file: File): void
 }>()
 
 const backgroundColor = ref(props.backgroundColor)
@@ -232,10 +230,6 @@ const handleUpdateEdgeThreshold = (value: number) => {
   emit('updateEdgeThreshold', value)
 }
 
-const handleUploadTexture = (file: File) => {
-  emit('uploadTexture', file)
-}
-
 const handleUpdateLightIntensity = (value: number) => {
   emit('updateLightIntensity', value)
 }