updated fonts shader and material

samples/bin/library/font_material.json

@@ -12,10 +12,5 @@
             }
         }
     }],
-    "property_block" : {
-        "samplers" : [{
-            "name" : "u_texture",
-            "texture" : "bmruen.png"
-        }]
-    }
+    "property_block" : {}
 }

samples/bin/library/font_shader.frag

@@ -1,5 +1,3 @@
-#version 120
-
 uniform sampler2D u_texture;
 
 varying vec2 v_st0;

samples/bin/library/font_shader.vert

@@ -1,5 +1,3 @@
-#version 120
-
 uniform mat4 u_matrix_m;
 uniform mat4 u_matrix_vp;