Minor bug fix (though it's in commented out code anyway).

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@11474 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/karts/controller/skidding_ai.cpp

@@ -1284,7 +1284,6 @@ void SkiddingAI::handleCurve()
             last_xyz = qg->getQuadOfNode(i)[index];
             determineTurnRadius(xyz, tangent, last_xyz,
                                 &m_curve_center, &m_current_curve_radius);
-            m_current_curve_radius = r;
             m_last_direction_node = i;
             break;
         }