Fixed all useless assignments

spec/support/controller_macros.rb

@@ -1,7 +1,7 @@
 # Taken unashamedly from https://github.com/plataformatec/devise/wiki/How-To%3a-Controllers-and-Views-tests-with-Rails-3-%28and-rspec%29
 module ControllerMacros
   def login_member(member_factory = :member)
-    let(:member) { member = FactoryGirl.create(member_factory || :member) }
+    let(:member) { FactoryGirl.create(member_factory || :member) }
     before(:each) do
       @request.env["devise.mapping"] = Devise.mappings[:member]
       sign_in member