Remove unused Gem unf

Author: johha

Gemfile

@@ -44,7 +44,6 @@ gem 'statsd-ruby', '~> 1.5.0'
 gem 'steno'
 gem 'talentbox-delayed_job_sequel', '~> 4.3.0'
 gem 'thin'
-gem 'unf'
 gem 'vmstat', '~> 2.3'
 
 # Rails Components

Gemfile.lock

@@ -568,9 +568,6 @@ GEM
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     uber (0.1.0)
-    unf (0.1.4)
-      unf_ext
-    unf_ext (0.0.9.1)
     unicode-display_width (2.5.0)
     vhd (0.0.4)
       bit-struct
@@ -676,7 +673,6 @@ DEPENDENCIES
   talentbox-delayed_job_sequel (~> 4.3.0)
   thin
   timecop
-  unf
   vcap-concurrency!
   vmstat (~> 2.3)
   webmock (> 2.3.1)