Removed unused AppsController, apps routes

• Removed:
- unused AppsController, apps routes

app/controllers/api/v1/apps_controller.rb

@@ -1,27 +0,0 @@
-# frozen_string_literal: true
-
-class Api::V1::AppsController < Api::BaseController
-  def create
-    @app = Doorkeeper::Application.create!(application_options)
-    render json: @app, serializer: REST::ApplicationSerializer
-  end
-
-  private
-
-  def application_options
-    {
-      name: app_params[:client_name],
-      redirect_uri: app_params[:redirect_uris],
-      scopes: app_scopes_or_default,
-      website: app_params[:website],
-    }
-  end
-
-  def app_scopes_or_default
-    app_params[:scopes] || Doorkeeper.configuration.default_scopes
-  end
-
-  def app_params
-    params.permit(:client_name, :redirect_uris, :scopes, :website)
-  end
-end

config/routes.rb

@@ -304,12 +304,6 @@ Rails.application.routes.draw do
 
       get '/account_by_username/:username', to: 'account_by_username#show', username: username_regex
 
-      namespace :apps do
-        get :verify_credentials, to: 'credentials#show'
-      end
-
-      resources :apps, only: [:create]
-
       resources :follow_requests, only: [:index] do
         member do
           post :authorize