Prepare repository for running RuboCop after every push to Gerrit

For now ignoring all problems.

Bug: 69245
Change-Id: I16c3edf47d6bb6470f5b71754fa99fe177b65797

tests/browser/Gemfile

@@ -1,6 +0,0 @@
-#ruby=ruby-2.1.2
-#ruby-gemset=UniversalLanguageSelector
-
-source "https://rubygems.org"
-
-gem "mediawiki_selenium"

tests/browser/Gemfile.lock

@@ -1,64 +0,0 @@
-GEM
-  remote: https://rubygems.org/
-  specs:
-    builder (3.2.2)
-    childprocess (0.5.3)
-      ffi (~> 1.0, >= 1.0.11)
-    cucumber (1.3.15)
-      builder (>= 2.1.2)
-      diff-lcs (>= 1.1.3)
-      gherkin (~> 2.12)
-      multi_json (>= 1.7.5, < 2.0)
-      multi_test (>= 0.1.1)
-    data_magic (0.19)
-      faker (>= 1.1.2)
-      yml_reader (>= 0.3)
-    diff-lcs (1.2.5)
-    faker (1.3.0)
-      i18n (~> 0.5)
-    ffi (1.9.3)
-    gherkin (2.12.2)
-      multi_json (~> 1.3)
-    headless (1.0.2)
-    i18n (0.6.9)
-    json (1.8.1)
-    mediawiki_selenium (0.2.23)
-      cucumber (~> 1.3, >= 1.3.10)
-      headless (~> 1.0, >= 1.0.1)
-      json (~> 1.8, >= 1.8.1)
-      net-http-persistent (~> 2.9, >= 2.9.1)
-      page-object (~> 1.0)
-      rest-client (~> 1.6, >= 1.6.7)
-      rspec-expectations (~> 2.14, >= 2.14.4)
-      syntax (~> 1.2, >= 1.2.0)
-    mime-types (2.3)
-    multi_json (1.10.1)
-    multi_test (0.1.1)
-    net-http-persistent (2.9.4)
-    page-object (1.0)
-      page_navigation (>= 0.9)
-      selenium-webdriver (>= 2.42.0)
-      watir-webdriver (>= 0.6.9)
-    page_navigation (0.9)
-      data_magic (>= 0.14)
-    rest-client (1.6.7)
-      mime-types (>= 1.16)
-    rspec-expectations (2.99.0)
-      diff-lcs (>= 1.1.3, < 2.0)
-    rubyzip (1.1.4)
-    selenium-webdriver (2.42.0)
-      childprocess (>= 0.5.0)
-      multi_json (~> 1.0)
-      rubyzip (~> 1.0)
-      websocket (~> 1.0.4)
-    syntax (1.2.0)
-    watir-webdriver (0.6.9)
-      selenium-webdriver (>= 2.18.0)
-    websocket (1.0.7)
-    yml_reader (0.3)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  mediawiki_selenium