Remove rubocop-shopify gem

Author: kartiki975

Gemfile

@@ -14,7 +14,6 @@ group :development, :test do
   gem 'faker'
   gem 'webmock'
   gem 'rubocop', '~> 1.48.0'
-  gem 'rubocop-shopify', require: false
 end
 
 group :test do

Gemfile.lock

@@ -347,8 +347,6 @@ GEM
     rubocop-ast (1.44.1)
       parser (>= 3.3.7.2)
       prism (~> 1.4)
-    rubocop-shopify (2.2.0)
-      rubocop (~> 1.18)
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
     safe_yaml (1.0.5)
@@ -437,7 +435,6 @@ DEPENDENCIES
   pg
   pry
   rubocop (~> 1.48.0)
-  rubocop-shopify
   shipit-engine!
   simplecov
   spy