Remove older revision of webgl conformance tests.

conformance/shaders/misc/shared-a.frag

-// shared fragment shader should succeed.
-precision mediump float;
-uniform vec4 lightColor;
-varying vec4 v_position;
-varying vec2 v_texCoord;
-varying vec3 v_surfaceToLight;
-
-uniform vec4 ambient;
-uniform sampler2D diffuse;
-uniform vec4 specular;
-uniform float shininess;
-uniform float specularFactor;
-// #fogUniforms
-
-vec4 lit(float l ,float h, float m) {
-  return vec4(1.0,
-              max(l, 0.0),
-              (l > 0.0) ? pow(max(0.0, h), m) : 0.0,
-              1.0);
-}
-void main() {
-  vec4 diffuseColor = texture2D(diffuse, v_texCoord);
-  vec4 normalSpec = vec4(0,0,0,0);  // #noNormalMap
-  vec3 surfaceToLight = normalize(v_surfaceToLight);
-  vec3 halfVector = normalize(surfaceToLight);
-  vec4 litR = lit(1.0, 1.0, shininess);
-  vec4 outColor = vec4(
-    (lightColor * (diffuseColor * litR.y + diffuseColor * ambient +
-                  specular * litR.z * specularFactor * normalSpec.a)).rgb,
-      diffuseColor.a);
-  // #fogCode
-  gl_FragColor = outColor;
-}
-