Remove broken check

GL/texture.c

@@ -640,22 +640,6 @@ void APIENTRY glCompressedTexImage2DARB(GLenum target,
         _glKosThrowError(GL_INVALID_OPERATION, __func__);
     }
 
-    /* Guess whether we have mipmaps or not */
-
-    /* `expected` is the uncompressed size */
-    GLuint expected = sizeof(GLshort) * width * height;
-
-    /* The ratio is the uncompressed vs compressed data size */
-    GLuint ratio = (GLuint) (((GLfloat) expected) / ((GLfloat) imageSize));
-
-    if(ratio < 7 && !mipmapped) {
-        /* If the ratio is less than 1:7 then we assume that the reason for that
-        is the extra data used for mipmaps. Testing shows that a single VQ compressed
-        image is around 1:7 or 1:8. We may need to tweak this if it detects false positives */
-        fprintf(stderr, "GL ERROR: Detected multiple mipmap levels being uploaded to %s\n", __func__);
-        _glKosThrowError(GL_INVALID_OPERATION, __func__);
-    }
-
     if(_glKosHasError()) {
         _glKosPrintError();
         return;