removed stale members stop_after and max_depth

Author: rahulsavani

src/solvers/lcp/efglcp.cc

@@ -39,7 +39,6 @@ template <class T> class NashLcpBehaviorSolver {
 
 private:
   BehaviorCallbackType<T> m_onEquilibrium;
-  int m_stopAfter, m_maxDepth;
 
   class Solution;