revert to vanilla assets

public/assets/minecraft/shaders/core/block.fsh

@@ -0,0 +1,23 @@
+#version 330
+
+#moj_import <minecraft:fog.glsl>
+#moj_import <minecraft:dynamictransforms.glsl>
+
+uniform sampler2D Sampler0;
+
+in float sphericalVertexDistance;
+in float cylindricalVertexDistance;
+in vec4 vertexColor;
+in vec2 texCoord0;
+
+out vec4 fragColor;
+
+void main() {
+    vec4 color = texture(Sampler0, texCoord0) * vertexColor * ColorModulator;
+#ifdef ALPHA_CUTOUT
+    if (color.a < ALPHA_CUTOUT) {
+        discard;
+    }
+#endif
+    fragColor = apply_fog(color, sphericalVertexDistance, cylindricalVertexDistance, FogEnvironmentalStart, FogEnvironmentalEnd, FogRenderDistanceStart, FogRenderDistanceEnd, FogColor);
+}