icon_load() function not used

This function was not used in this file, so... removed.

example/canvas.c

@@ -77,26 +77,6 @@ die(const char *fmt, ...)
     exit(EXIT_FAILURE);
 }
 
-static struct nk_image
-icon_load(const char *filename)
-{
-    int x,y,n;
-    GLuint tex;
-    unsigned char *data = stbi_load(filename, &x, &y, &n, 0);
-    if (!data) die("[SDL]: failed to load image: %s", filename);
-
-    glGenTextures(1, &tex);
-    glBindTexture(GL_TEXTURE_2D, tex);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_NEAREST);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, x, y, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
-    glGenerateMipmap(GL_TEXTURE_2D);
-    stbi_image_free(data);
-    return nk_image_id((int)tex);
-}
-
 static void
 device_init(struct device *dev)
 {