rubocop: fix offences of the Style/TrailingCommaInArrayLiteral cop

.rubocop_todo.yml

@@ -314,15 +314,6 @@ Style/PerlBackrefs:
     - 'lib/pry/method.rb'
     - 'lib/pry/rubygem.rb'
 
-# Offense count: 2
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyleForMultiline.
-# SupportedStylesForMultiline: comma, consistent_comma, no_comma
-Style/TrailingCommaInArrayLiteral:
-  Exclude:
-    - 'lib/pry/exceptions.rb'
-    - 'spec/syntax_checking_spec.rb'
-
 # Offense count: 2
 # Cop supports --auto-correct.
 # Configuration parameters: EnforcedStyleForMultiline.

spec/syntax_checking_spec.rb

@@ -10,7 +10,7 @@ describe Pry do
     ["[", ":lets,", "'list',", "[/nested/", "], things ]"],
     ["abc =~ /hello", "/"],
     ["issue = %W/", "343/"],
-    ["pouts(<<HI, 'foo", "bar", "HI", "baz')"],
+    ["pouts(<<HI, 'foo", "bar", "HI", "baz')"]
   ].each do |foo|
     it "should not raise an error on broken lines: #{foo.join('\\n')}" do
       redirect_pry_io(InputTester.new(*foo), @str_output) do