Update bundle and move jquery_ujs

Gemfile.lock

@@ -155,13 +155,8 @@ GEM
     ims-lti (1.2.4)
       builder (>= 1.0, < 4.0)
       oauth (>= 0.4.5, < 0.6)
-    jaro_winkler (1.5.4)
     jbuilder (2.10.0)
       activesupport (>= 5.0.0)
-    jquery-rails (4.4.0)
-      rails-dom-testing (>= 1, < 3)
-      railties (>= 4.2.0)
-      thor (>= 0.14, < 2.0)
     json (2.3.0)
     jwt (2.2.1)
     kramdown (2.2.1)
@@ -228,7 +223,7 @@ GEM
       pry (~> 0.13.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    public_suffix (4.0.4)
+    public_suffix (4.0.5)
     puma (4.3.3)
       nio4r (~> 2.0)
     pundit (2.1.0)
@@ -301,7 +296,7 @@ GEM
       rspec-expectations (>= 2.99.0.beta1)
     rspec-core (3.9.2)
       rspec-support (~> 3.9.3)
-    rspec-expectations (3.9.1)
+    rspec-expectations (3.9.2)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
     rspec-mocks (3.9.1)
@@ -316,8 +311,7 @@ GEM
       rspec-mocks (~> 3.9)
       rspec-support (~> 3.9)
     rspec-support (3.9.3)
-    rubocop (0.82.0)
-      jaro_winkler (~> 1.5.1)
+    rubocop (0.83.0)
       parallel (~> 1.10)
       parser (>= 2.7.0.1)
       rainbow (>= 2.2.2, < 4.0)
@@ -356,7 +350,7 @@ GEM
       docile (~> 1.1)
       simplecov-html (~> 0.11)
     simplecov-html (0.12.2)
-    slim (4.0.1)
+    slim (4.1.0)
       temple (>= 0.7.6, < 0.9)
       tilt (>= 2.0.6, < 2.1)
     slim-rails (3.2.0)
@@ -443,7 +437,6 @@ DEPENDENCIES
   i18n-js
   ims-lti (< 2.0.0)
   jbuilder
-  jquery-rails
   kramdown
   listen
   mnemosyne-ruby