rollbar remove

Gemfile

@@ -60,4 +60,3 @@ gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 # install pg
 gem 'pg', group: :production
 gem 'rails_12factor', group: :production
-gem 'rollbar'

Gemfile.lock

@@ -88,7 +88,6 @@ GEM
     mimemagic (0.3.2)
     mini_portile2 (2.1.0)
     minitest (5.10.1)
-    multi_json (1.12.1)
     nio4r (1.2.1)
     nokogiri (1.7.0.1)
       mini_portile2 (~> 2.1.0)
@@ -137,10 +136,8 @@ GEM
       thor (>= 0.18.1, < 2.0)
     rake (12.0.0)
     rb-fsevent (0.9.8)
-    rb-inotify (0.9.7)
+    rb-inotify (0.9.8)
       ffi (>= 0.5.0)
-    rollbar (2.14.0)
-      multi_json
     rspec-core (3.5.4)
       rspec-support (~> 3.5.0)
     rspec-expectations (3.5.0)
@@ -185,7 +182,7 @@ GEM
     sqlite3 (1.3.13)
     thor (0.19.4)
     thread_safe (0.3.5)
-    tilt (2.0.5)
+    tilt (2.0.6)
     turbolinks (5.0.1)
       turbolinks-source (~> 5)
     turbolinks-source (5.0.0)
@@ -221,7 +218,6 @@ DEPENDENCIES
   rails (~> 5.0.0)
   rails-controller-testing
   rails_12factor
-  rollbar
   rspec-rails (~> 3.5)
   sass-rails (~> 5.0)
   shoulda-matchers