Remove code to clone Bitbucket repositories using SSH

app/controllers/application_controller.rb

@@ -254,7 +254,7 @@ class ApplicationController < ActionController::Base
   end
 
   def bitbucket_import_configured?
-    Gitlab::OAuth::Provider.enabled?(:bitbucket) && Gitlab::BitbucketImport.public_key.present?
+    Gitlab::OAuth::Provider.enabled?(:bitbucket)
   end
 
   def google_code_import_enabled?

config/initializers/public_key.rb

-path = File.expand_path("~/.ssh/bitbucket_rsa.pub")
-Gitlab::BitbucketImport.public_key = File.read(path) if File.exist?(path)

lib/gitlab/bitbucket_import/key_adder.rb

-module Gitlab
-  module BitbucketImport
-    class KeyAdder
-      attr_reader :repo, :current_user, :client
-
-      def initialize(repo, current_user, access_params)
-        @repo, @current_user = repo, current_user
-        @client = Client.new(access_params[:bitbucket_access_token],
-                             access_params[:bitbucket_access_token_secret])
-      end
-
-      def execute
-        return false unless BitbucketImport.public_key.present?
-
-        project_identifier = "#{repo["owner"]}/#{repo["slug"]}"
-        client.add_deploy_key(project_identifier, BitbucketImport.public_key)
-
-        true
-      rescue
-        false
-      end
-    end
-  end
-end

lib/gitlab/bitbucket_import/key_deleter.rb

-module Gitlab
-  module BitbucketImport
-    class KeyDeleter
-      attr_reader :project, :current_user, :client
-
-      def initialize(project)
-        @project = project
-        @current_user = project.creator
-        @client = Client.from_project(@project)
-      end
-
-      def execute
-        return false unless BitbucketImport.public_key.present?
-
-        client.delete_deploy_key(project.import_source, BitbucketImport.public_key)
-
-        true
-      rescue
-        false
-      end
-    end
-  end
-end