cleanup: Remove legacy loader

src/main-app/main-app.routes.ts

@@ -2,12 +2,10 @@ import { ModuleWithProviders } from '@angular/core';
 import { RouterModule, Routes }  from '@angular/router';
 
 import { keymapRoutes } from '../components/keymap';
-import { legacyRoutes } from '../components/legacy-loader';
 import { macroRoutes } from '../components/macro';
 
 const appRoutes: Routes = [
     ...keymapRoutes,
-    ...legacyRoutes,
     ...macroRoutes
 ];