Create/Update assets for version 21w05a

assets/minecraft/shaders/program/phosphor.fsh

@@ -1,4 +1,4 @@
-#version 120
+#version 110
 
 uniform sampler2D DiffuseSampler;
 uniform sampler2D PrevSampler;
@@ -8,8 +8,7 @@ varying vec2 oneTexel;
 
 uniform vec2 InSize;
 
-uniform vec3 Phosphor = vec3(0.7, 0.7, 0.7);
-uniform float LerpFactor = 1.0;
+uniform vec3 Phosphor;
 
 void main() {
     vec4 CurrTexel = texture2D(DiffuseSampler, texCoord);