Removes unused selenium gem which had a gem dependency creating a security warning

Author: kaptron

Gemfile

@@ -141,7 +141,6 @@ gem 'active_record_union'
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platforms: %i[mri mingw x64_mingw]
-  # Adds support for Capybara system testing and selenium driver
   gem 'action-cable-testing'
   gem 'active_record_query_trace'
   gem 'capybara', '~> 2.13'
@@ -154,7 +153,6 @@ group :development, :test do
   gem 'pry-rails'
   gem 'rails-controller-testing'
   gem 'rspec-rails', '~> 3.7'
-  gem 'selenium-webdriver'
 end
 
 group :development do

Gemfile.lock

@@ -134,8 +134,6 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (>= 2.0, < 4.0)
-    childprocess (0.9.0)
-      ffi (~> 1.0, >= 1.0.11)
     coderay (1.1.2)
     concurrent-ruby (1.1.5)
     connection_pool (2.2.2)
@@ -479,7 +477,6 @@ GEM
       unicode-display_width (>= 1.4.0, < 1.7)
     ruby-progressbar (1.10.1)
     ruby_dep (1.5.0)
-    rubyzip (1.2.3)
     rufus-scheduler (3.4.2)
       et-orbi (~> 1.0)
     safe_yaml (1.0.4)
@@ -499,9 +496,6 @@ GEM
       activemodel (>= 4.2)
       elasticsearch (>= 5)
       hashie
-    selenium-webdriver (3.11.0)
-      childprocess (~> 0.5)
-      rubyzip (~> 1.2)
     shellany (0.0.1)
     shoulda-matchers (3.1.2)
       activesupport (>= 4.0.0)
@@ -653,7 +647,6 @@ DEPENDENCIES
   sass-rails (~> 5.0)
   scout_apm
   searchkick (~> 3.0.0)
-  selenium-webdriver
   shoulda-matchers (~> 3.1)
   sidekiq (~> 6)
   sidekiq-scheduler