[Minor] Remove unused empty function

.eslintrc.json

@@ -68,10 +68,8 @@
         "new-cap": "off",
         "no-else-return": "off",
         "no-empty": "off",
-        "no-empty-function": "off",
         "no-inline-comments": "off",
         "no-invalid-this": "off",
-        "no-loop-func": "off",
         "no-negated-condition": "off",
         "no-underscore-dangle": "off",
         "one-var-declaration-per-line": "off",

interface/js/app/history.js

@@ -780,6 +780,5 @@ define(["jquery", "footable", "humanize"],
             });
         };
 
-        ui.setup = function () {};
         return ui;
     });

interface/js/app/rspamd.js

@@ -234,7 +234,6 @@ function ($, d3pie, visibility, tab_stat, tab_graph, tab_config,
         });
         tab_config.setup(ui);
         tab_symbols.setup(ui, tables);
-        tab_history.setup(ui, tables);
         tab_upload.setup(ui);
         selData = tab_graph.setup();
     };