Remove omniauth-bitbucket gem

Gemfile

@@ -22,7 +22,6 @@ gem 'doorkeeper',             '~> 4.2.0'
 gem 'omniauth',               '~> 1.3.1'
 gem 'omniauth-auth0',         '~> 1.4.1'
 gem 'omniauth-azure-oauth2',  '~> 0.0.6'
-gem 'omniauth-bitbucket',     '~> 0.0.2'
 gem 'omniauth-cas3',          '~> 1.1.2'
 gem 'omniauth-facebook',      '~> 4.0.0'
 gem 'omniauth-github',        '~> 1.1.1'

Gemfile.lock

@@ -438,10 +438,6 @@ GEM
       jwt (~> 1.0)
       omniauth (~> 1.0)
       omniauth-oauth2 (~> 1.1)
-    omniauth-bitbucket (0.0.2)
-      multi_json (~> 1.7)
-      omniauth (~> 1.1)
-      omniauth-oauth (~> 1.0)
     omniauth-cas3 (1.1.3)
       addressable (~> 2.3)
       nokogiri (~> 1.6.6)
@@ -905,7 +901,6 @@ DEPENDENCIES
   omniauth (~> 1.3.1)
   omniauth-auth0 (~> 1.4.1)
   omniauth-azure-oauth2 (~> 0.0.6)
-  omniauth-bitbucket (~> 0.0.2)
   omniauth-cas3 (~> 1.1.2)
   omniauth-facebook (~> 4.0.0)
   omniauth-github (~> 1.1.1)