Remove unused counter variable
Remove unused counter variable

cornell-cup/cs-r2bot2,cornell-cup/cs-r2bot2,kzj1995/cs-r2bot2,cornell-cup/cs-r2bot2,kzj1995/cs-r2bot2,cornell-cup/cs-r2bot2,kzj1995/cs-r2bot2,cornell-cup/cs-r2bot2