rubocop: fix offences of the Layout/EmptyComment cop

.rubocop_todo.yml

@@ -13,13 +13,6 @@ Gemspec/RequiredRubyVersion:
   Exclude:
     - 'pry.gemspec'
 
-# Offense count: 4
-# Cop supports --auto-correct.
-# Configuration parameters: AllowBorderComment, AllowMarginComment.
-Layout/EmptyComment:
-  Exclude:
-    - 'spec/command_spec.rb'
-
 # Offense count: 2
 # Cop supports --auto-correct.
 Layout/EmptyLineAfterMagicComment:

spec/command_spec.rb

@@ -7,7 +7,6 @@ describe "Pry::Command" do
   describe 'call_safely' do
     it 'should display a message if gems are missing' do
       cmd = @set.create_command "ford-prefect", "From a planet near Beetlegeuse", requires_gem: %w(ghijkl) do
-        #
       end
 
       expect(mock_command(cmd, %w(hello world)).output).to match(/install-command ford-prefect/)
@@ -15,7 +14,6 @@ describe "Pry::Command" do
 
     it 'should abort early if arguments are required' do
       cmd = @set.create_command 'arthur-dent', "Doesn't understand Thursdays", argument_required: true do
-        #
       end
 
       expect { mock_command(cmd, %w()) }.to raise_error Pry::CommandError
@@ -79,7 +77,6 @@ describe "Pry::Command" do
   describe 'help' do
     it 'should default to the description for blocky commands' do
       @set.command 'oolon-colluphid', "Raving Atheist" do
-        #
       end
 
       expect(mock_command(@set['help'], %w(oolon-colluphid), command_set: @set).output).to match(/Raving Atheist/)
@@ -196,9 +193,7 @@ describe "Pry::Command" do
 
     it 'should raise a command error if process is not overridden' do
       cmd = @set.create_command 'jeltz', "Commander of a Vogon constructor fleet" do
-        def proccces
-          #
-        end
+        def proccces; end
       end
 
       expect { mock_command(cmd) }.to raise_error Pry::CommandError