cleanup (#29186)

Co-authored-by: aardgoose <angus.sawyer@email.com>

src/renderers/webgl-fallback/utils/WebGLTextureUtils.js

@@ -245,8 +245,6 @@ class WebGLTextureUtils {
 
 		const { gl, extensions, backend } = this;
 
-		const { currentAnisotropy } = backend.get( texture );
-
 		gl.texParameteri( textureType, gl.TEXTURE_WRAP_S, wrappingToGL[ texture.wrapS ] );
 		gl.texParameteri( textureType, gl.TEXTURE_WRAP_T, wrappingToGL[ texture.wrapT ] );
 
@@ -279,11 +277,10 @@ class WebGLTextureUtils {
 			if ( texture.minFilter !== NearestMipmapLinearFilter && texture.minFilter !== LinearMipmapLinearFilter ) return;
 			if ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false ) return; // verify extension for WebGL 1 and WebGL 2
 
-			if ( texture.anisotropy > 1 || currentAnisotropy !== texture.anisotropy ) {
+			if ( texture.anisotropy > 1 ) {
 
 				const extension = extensions.get( 'EXT_texture_filter_anisotropic' );
 				gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, backend.getMaxAnisotropy() ) );
-				backend.get( texture ).currentAnisotropy = texture.anisotropy;
 
 			}