Style/TrailingComma remove comma in quotes in end of comment

[ShockwaveNN]

Create file test.rb with content:

{ 
  foo: 'foo',
  bar: 'bar'.delete(',') #  ','
}

Run rubocop rubocop -aD test.rb with auto-fixes enabled
After autofixes we loose comma in quotes in comment:

{
  foo: 'foo',
  bar: 'bar'.delete(',') #  ''
}

rubocop -V
0.30.0 (using Parser 2.2.0.3, running on ruby 2.1.5 x86_64-linux)