Product import only works with csv right now. Here we remove dead code

This can be reverted if we start suppporting xls and ods in the future

Gemfile

@@ -94,7 +94,6 @@ gem 'wkhtmltopdf-binary'
 gem 'foreigner'
 gem 'immigrant'
 gem 'roo', '~> 2.8.2'
-gem 'roo-xls', '~> 1.1.0'
 
 gem 'whenever', require: false
 

Gemfile.lock

@@ -587,10 +587,6 @@ GEM
     roo (2.8.2)
       nokogiri (~> 1)
       rubyzip (>= 1.2.1, < 2.0.0)
-    roo-xls (1.1.0)
-      nokogiri
-      roo (>= 2.0.0beta1, < 3)
-      spreadsheet (> 0.9.0)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)
@@ -653,8 +649,6 @@ GEM
       tilt (>= 1.3, < 3)
     spinjs-rails (1.4)
       rails (>= 3.1)
-    spreadsheet (1.1.7)
-      ruby-ole (>= 1.0)
     spring (1.7.2)
     spring-commands-rspec (1.0.4)
       spring (>= 0.9.1)
@@ -791,7 +785,6 @@ DEPENDENCIES
   redcarpet
   roadie-rails (~> 1.3.0)
   roo (~> 2.8.2)
-  roo-xls (~> 1.1.0)
   rspec-rails (>= 3.5.2)
   rspec-retry
   rubocop