Work on omniauth setup

Gemfile.lock

@@ -323,11 +323,8 @@ GEM
     omniauth (1.9.0)
       hashie (>= 3.4.6, < 3.7.0)
       rack (>= 1.6.2, < 3)
-    omniauth-facebook (5.0.0)
-      omniauth-oauth2 (~> 1.2)
-    omniauth-github (1.3.0)
-      omniauth (~> 1.5)
-      omniauth-oauth2 (>= 1.4.0, < 2.0)
+    omniauth-discourse (1.0.0)
+      omniauth (~> 1.0)
     omniauth-google-oauth2 (0.6.1)
       jwt (>= 2.0)
       omniauth (>= 1.1.1)
@@ -335,9 +332,6 @@ GEM
     omniauth-oauth2 (1.6.0)
       oauth2 (~> 1.1)
       omniauth (~> 1.9)
-    omniauth-openid (1.0.1)
-      omniauth (~> 1.0)
-      rack-openid (~> 1.3.1)
     open4 (1.3.4)
     orm_adapter (0.5.0)
     paper_trail (10.3.1)
@@ -379,9 +373,6 @@ GEM
     public_suffix (3.1.1)
     puma (3.12.2)
     rack (2.0.7)
-    rack-openid (1.3.1)
-      rack (>= 1.1.0)
-      ruby-openid (>= 2.1.8)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.3)
@@ -498,7 +489,6 @@ GEM
     rubocop-rspec (1.36.0)
       rubocop (>= 0.68.1)
     ruby-oembed (0.12.0)
-    ruby-openid (2.9.2)
     ruby-progressbar (1.10.1)
     ruby-rc4 (0.1.5)
     ruby_dep (1.5.0)
@@ -666,10 +656,8 @@ DEPENDENCIES
   money-rails
   nokogiri (>= 1.8.1)
   omniauth
-  omniauth-facebook
-  omniauth-github
+  omniauth-discourse
   omniauth-google-oauth2
-  omniauth-openid
   paper_trail
   pdf-inspector
   pg