Remove pry-doc and yard

https://nvd.nist.gov/vuln/detail/CVE-2017-17042

Gemfile

@@ -234,7 +234,6 @@ group :development, :test do
   gem 'pry-stack_explorer', '~> 0.4.9.2'
   gem 'pry-rescue', '~> 1.4.5'
   gem 'pry-byebug', '~> 3.4.2', platforms: [:mri]
-  gem 'pry-doc', '~> 0.10'
   gem 'bootsnap', '~> 1.1.2', require: false
 end
 

Gemfile.lock

@@ -402,9 +402,6 @@ GEM
     pry-byebug (3.4.2)
       byebug (~> 9.0)
       pry (~> 0.10)
-    pry-doc (0.10.0)
-      pry (~> 0.9)
-      yard (~> 0.9)
     pry-rails (0.3.6)
       pry (>= 0.10.4)
     pry-rescue (1.4.5)
@@ -613,7 +610,6 @@ GEM
     will_paginate (3.1.6)
     xpath (2.1.0)
       nokogiri (~> 1.3)
-    yard (0.9.8)
 
 PLATFORMS
   ruby
@@ -683,7 +679,6 @@ DEPENDENCIES
   prawn (~> 2.2)
   prawn-table (~> 0.2.2)
   pry-byebug (~> 3.4.2)
-  pry-doc (~> 0.10)
   pry-rails (~> 0.3.6)
   pry-rescue (~> 1.4.5)
   pry-stack_explorer (~> 0.4.9.2)