Fixed noise shader function using deprecated "texture2D"

src/render/opengl/shaders/noise.frag

@@ -9,7 +9,7 @@ vec3 noiseNormal2d(vec2 location, float detail)
     vec3 normal = vec3(0.0, 0.0, 0.0);
     for (float scaling = 1.0; scaling < 400.0; scaling *= 1.5)
     {
-        normal += texture2D(simplexSampler, location * 0.01 * scaling).xyz;
+        normal += texture(simplexSampler, location * 0.01 * scaling).xyz;
     }
     return normalize(normal);
 }