removes unused rake task

lib/tasks/campaigns.rake

@@ -1,8 +0,0 @@
-namespace :campagins do
-
-  desc "Recalculates all the comment counters for debates and proposals"
-  task create: :environment do
-    3.times { |i| Campaign.create!(name: "Campaign#{i+1}", track_id: rand(2**32..2**64)) }
-  end
-
-end