Remove guard-rspec and its supporting gems

Gemfile

 source "https://rubygems.org"
 
-def darwin_only(require_as)
-  RUBY_PLATFORM.include?('darwin') && require_as
-end
-
-def linux_only(require_as)
-  RUBY_PLATFORM.include?('linux') && require_as
-end
-
 gem 'rails', '4.1.12'
 
 # Specify a sprockets version due to security issue
@@ -308,11 +300,3 @@ gem 'oauth2', '~> 1.0.0'
 
 # Soft deletion
 gem "paranoia", "~> 2.0"
-
-group :development, :test do
-  gem 'guard-rspec', '~> 4.2.0'
-
-  gem 'rb-fsevent', require: darwin_only('rb-fsevent')
-  gem 'growl',      require: darwin_only('growl')
-  gem 'rb-inotify', require: linux_only('rb-inotify')
-end

Gemfile.lock

@@ -315,19 +315,6 @@ GEM
     grape-entity (0.4.8)
       activesupport
       multi_json (>= 1.3.2)
-    growl (1.0.3)
-    guard (2.13.0)
-      formatador (>= 0.2.4)
-      listen (>= 2.7, <= 4.0)
-      lumberjack (~> 1.0)
-      nenv (~> 0.1)
-      notiffany (~> 0.0)
-      pry (>= 0.9.12)
-      shellany (~> 0.0)
-      thor (>= 0.18.1)
-    guard-rspec (4.2.10)
-      guard (~> 2.1)
-      rspec (>= 2.14, < 4.0)
     haml (4.0.7)
       tilt
     haml-rails (0.9.0)
@@ -388,7 +375,6 @@ GEM
       celluloid (~> 0.16.0)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
-    lumberjack (1.0.9)
     macaddr (1.7.1)
       systemu (~> 2.6.2)
     mail (2.6.3)
@@ -404,7 +390,6 @@ GEM
     multi_xml (0.5.5)
     multipart-post (2.0.0)
     mysql2 (0.3.20)
-    nenv (0.2.0)
     nested_form (0.3.2)
     net-ldap (0.11)
     net-scp (1.2.1)
@@ -417,9 +402,6 @@ GEM
     newrelic_rpm (3.9.4.245)
     nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
-    notiffany (0.0.7)
-      nenv (~> 0.1)
-      shellany (~> 0.0)
     nprogress-rails (0.1.2.3)
     oauth (0.4.7)
     oauth2 (1.0.0)
@@ -648,7 +630,6 @@ GEM
     sexp_processor (4.6.0)
     sham_rack (1.3.6)
       rack
-    shellany (0.0.1)
     shoulda-matchers (2.8.0)
       activesupport (>= 3.0.0)
     sidekiq (3.3.0)
@@ -849,8 +830,6 @@ DEPENDENCIES
   gon (~> 5.0.0)
   grape (~> 0.6.1)
   grape-entity (~> 0.4.2)
-  growl
-  guard-rspec (~> 4.2.0)
   haml-rails (~> 0.9.0)
   hipchat (~> 1.5.0)
   html-pipeline (~> 1.11.0)
@@ -894,8 +873,6 @@ DEPENDENCIES
   rack-oauth2 (~> 1.0.5)
   rails (= 4.1.12)
   raphael-rails (~> 2.1.2)
-  rb-fsevent
-  rb-inotify
   rdoc (~> 3.6)
   redcarpet (~> 3.3.2)
   redis-rails (~> 4.0.0)