Remove unused spec method

Author: tom-lord

spec/regexp-examples_spec_2.4.1.rb

@@ -1,11 +1,4 @@
 RSpec.describe Regexp, '#examples' do
- def self.examples_raise_illegal_syntax_error(*regexps)
- regexps.each do |regexp|
- it "examples for /#{regexp.source}/" do
- expect { regexp.examples }.to raise_error RegexpExamples::IllegalSyntaxError
- end
- end
- end
  context 'absent operator' do
  it 'treats the group as an empty match' do
  expect(/abc(?~def)ghi/.examples).to eq(['abcghi'])