Enable some Rubocop cops related to new lines

.rubocop.yml

@@ -149,7 +149,7 @@ Style/EmptyLinesAroundAccessModifier:
 # Keeps track of empty lines around block bodies.
 Style/EmptyLinesAroundBlockBody:
-  Enabled: false
+  Enabled: true
 # Keeps track of empty lines around class bodies.
 Style/EmptyLinesAroundClassBody:
@@ -161,7 +161,7 @@ Style/EmptyLinesAroundModuleBody:
 # Keeps track of empty lines around method bodies.
 Style/EmptyLinesAroundMethodBody:
-  Enabled: false
+  Enabled: true
 # Avoid the use of END blocks.
 Style/EndBlock:

spec/features/admin/admin_disables_git_access_protocol_spec.rb

@@ -45,7 +45,6 @@ feature 'Admin disables Git access protocol', feature: true do
       expect(page).to have_content("git clone #{project.ssh_url_to_repo}")
       expect(page).to have_selector('#clone-dropdown')
     end
-
   end
   def visit_project

spec/lib/banzai/filter/video_link_filter_spec.rb

@@ -47,5 +47,4 @@ describe Banzai::Filter::VideoLinkFilter, lib: true do
       expect(element['src']).to eq '/path/my_image.jpg'
     end
   end
-
 end

spec/lib/ci/gitlab_ci_yaml_processor_spec.rb

@@ -534,7 +534,6 @@ module Ci
         end
         context 'when also global variables are defined' do
-
         end
         context 'when syntax is correct' do

spec/lib/gitlab/git/hook_spec.rb

@@ -25,7 +25,6 @@ describe Gitlab::Git::Hook, lib: true do
     end
     ['pre-receive', 'post-receive', 'update'].each do |hook_name|
-
       context "when triggering a #{hook_name} hook" do
         context "when the hook is successful" do
           it "returns success with no errors" do

spec/lib/gitlab/import_export/project_tree_restorer_spec.rb

@@ -2,7 +2,6 @@ require 'spec_helper'
 describe Gitlab::ImportExport::ProjectTreeRestorer, services: true do
   describe 'restore project tree' do
-
     let(:user) { create(:user) }
     let(:namespace) { create(:namespace, owner: user) }
     let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: "", project_path: 'path') }

spec/lib/gitlab/user_access_spec.rb

@@ -83,6 +83,5 @@ describe Gitlab::UserAccess, lib: true do
         expect(access.can_merge_to_branch?(@branch.name)).to be_falsey
       end
     end
-
   end
 end