downgrade Filament libs to v1.34.2 for Windows

ios/include/filament/Options.h

@@ -237,32 +237,10 @@ struct FogOptions {
     /**
      * The fog color will be sampled from the IBL in the view direction and tinted by `color`.
      * Depending on the scene this can produce very convincing results.
-     *
-     * This simulates a more anisotropic phase-function.
-     *
-     * `fogColorFromIbl` is ignored when skyTexture is specified.
-     *
-     * @see skyColor
+     * This simulate a more anisotropic phase-function.
      */
     bool fogColorFromIbl = false;
 
-    /**
-     * skyTexture must be a mipmapped cubemap. When provided, the fog color will be sampled from
-     * this texture, higher resolution mip levels will be used for objects at the far clip plane,
-     * and lower resolution mip levels for objects closer to the camera. The skyTexture should
-     * typically be heavily blurred; a typical way to produce this texture is to blur the base
-     * level with a strong gaussian filter or even an irradiance filter and then generate mip
-     * levels as usual. How blurred the base level is somewhat of an artistic decision.
-     *
-     * This simulates a more anisotropic phase-function.
-     *
-     * `fogColorFromIbl` is ignored when skyTexture is specified.
-     *
-     * @see Texture
-     * @see fogColorFromIbl
-     */
-    Texture* skyColor = nullptr;    //!< %codegen_skip_json% %codegen_skip_javascript%
-
     /**
      * Enable or disable large-scale fog
      */