webrick is no longer needed in dev_gems.rb gemfile

Since 3ae4358024ed4a8438aa14611b3b939b39cdd18b.

Author: deivid-rodriguez

tool/bundler/dev_gems.rb

@@ -6,7 +6,6 @@
 gem "rake", "~> 13.1"
 gem "rb_sys"
 
-gem "webrick", "~> 1.6"
 gem "turbo_tests", "~> 2.2.3"
 gem "parallel_tests", "~> 4.7"
 gem "parallel", "~> 1.19"