delete unnecessary team.js

app/assets/javascripts/team.js

-function backToMembers(){
-  $("#new_team_member").hide("slide", { direction: "right" }, 150, function(){
-    $("#team-table").show("slide", { direction: "left" }, 150, function() { 
-      $("#new_team_member").remove();
-      $(".add_new").show();
-    });
-  });
-}