DEV: Remove webdrivers gem that is causing problem with updating chrome

According to the maintainer of the `webdrivers` gem, the gem is no
longer needed if we already have selenium-webdriver installed.

See titusfortner/webdrivers#247 (comment)

.github/workflows/tests.yml

@@ -204,10 +204,6 @@ jobs:
         if: matrix.build_type == 'system'
         run: bin/ember-cli --build
 
-      - name: Setup Webdriver
-        if: matrix.build_type == 'system'
-        run: bin/rails runner "require 'webdrivers'; Webdrivers::Chromedriver.required_version='114.0.5735.90'; Webdrivers::Chromedriver.update"
-
       - name: Core System Tests
         if: matrix.build_type == 'system' && matrix.target == 'core'
         run: RAILS_ENABLE_TEST_LOG=1 RAILS_TEST_LOG_LEVEL=error PARALLEL_TEST_PROCESSORS=4 bin/turbo_rspec --use-runtime-info --profile=50 --verbose --format documentation spec/system

Gemfile

@@ -143,7 +143,6 @@ group :test do
   gem "simplecov", require: false
   gem "selenium-webdriver", require: false
   gem "test-prof"
-  gem "webdrivers", require: false
   gem "rails-dom-testing", require: false
 end
 

Gemfile.lock

@@ -510,10 +510,6 @@ GEM
       hkdf (~> 1.0)
       jwt (~> 2.0)
       openssl (~> 3.0)
-    webdrivers (5.2.0)
-      nokogiri (~> 1.6)
-      rubyzip (>= 1.3.0)
-      selenium-webdriver (~> 4.0)
     webmock (3.18.1)
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
@@ -668,7 +664,6 @@ DEPENDENCIES
   unf
   unicorn
   web-push
-  webdrivers
   webmock
   webrick
   yaml-lint

spec/rails_helper.rb

@@ -59,12 +59,9 @@ def call(env)
 require "sidekiq/testing"
 require "test_prof/recipes/rspec/let_it_be"
 require "test_prof/before_all/adapters/active_record"
-require "webdrivers"
 require "selenium-webdriver"
 require "capybara/rails"
 
-Webdrivers::Chromedriver.required_version = "114.0.5735.90"
-
 # The shoulda-matchers gem no longer detects the test framework
 # you're using or mixes itself into that framework automatically.
 Shoulda::Matchers.configure do |config|
@@ -252,7 +249,7 @@ def fab!(name, &blk)
 
     SiteSetting.provider = TestLocalProcessProvider.new
 
-    WebMock.disable_net_connect!(allow_localhost: true, allow: [Webdrivers::Chromedriver.base_url])
+    WebMock.disable_net_connect!(allow_localhost: true)
 
     if ENV["CAPYBARA_DEFAULT_MAX_WAIT_TIME"].present?
       Capybara.default_max_wait_time = ENV["CAPYBARA_DEFAULT_MAX_WAIT_TIME"].to_i