remove unused method #can_add?

app/models/user.rb

@@ -227,14 +227,6 @@ class User < ActiveRecord::Base
     where(conditions).first
   end
 
-  # @param [Person] person
-  # @return [Boolean] whether this user can add person as a contact.
-  def can_add?(person)
-    return false if self.person == person
-    return false if self.contact_for(person).present?
-    true
-  end
-
   def confirm_email(token)
     return false if token.blank? || token != confirm_email_token
     self.email = unconfirmed_email

spec/models/user_spec.rb

@@ -407,28 +407,6 @@ describe User do
     end
   end
 
-  describe "#can_add?" do
-    it "returns true if there is no existing connection" do
-      alice.can_add?(eve.person).should be_true
-    end
-
-    it "returns false if the user and the person are the same" do
-      alice.can_add?(alice.person).should be_false
-    end
-
-    it "returns false if the users are already connected" do
-      alice.can_add?(bob.person).should be_false
-    end
-
-    it "returns false if the user has already sent a request to that person" do
-      alice.share_with(eve.person, alice.aspects.first)
-      alice.reload
-      eve.reload
-      alice.can_add?(eve.person).should be_false
-    end
-  end
-
-
   describe '#process_invite_acceptence' do
     it 'sets the inviter on user' do
       inv = InvitationCode.create(:user => bob)