PLT-2863 adding remove user from team (#3429)

* PLT-2863 adding remove user from team

* PLT-2863 adding the client side UI

* Fixing trailing space

* Fixing reported issues

* Adding documentatino

* Switching to final javascript driver

webapp/stores/modal_store.jsx

@@ -33,6 +33,7 @@ class ModalStoreClass extends EventEmitter {
         switch (type) {
         case ActionTypes.TOGGLE_IMPORT_THEME_MODAL:
         case ActionTypes.TOGGLE_INVITE_MEMBER_MODAL:
+        case ActionTypes.TOGGLE_LEAVE_TEAM_MODAL:
         case ActionTypes.TOGGLE_DELETE_POST_MODAL:
         case ActionTypes.TOGGLE_GET_POST_LINK_MODAL:
         case ActionTypes.TOGGLE_GET_TEAM_INVITE_LINK_MODAL:

webapp/stores/team_store.jsx

@@ -139,6 +139,16 @@ class TeamStoreClass extends EventEmitter {
         this.team_members.push(member);
     }
 
+    removeTeamMember(teamId) {
+        for (var index in this.team_members) {
+            if (this.team_members.hasOwnProperty(index)) {
+                if (this.team_members[index].team_id === teamId) {
+                    Reflect.deleteProperty(this.team_members, index);
+                }
+            }
+        }
+    }
+
     getTeamMembers() {
         return this.team_members;
     }