remove no longer needed initialize definitions

lib/fog/aws/models/ec2/address.rb

@@ -7,10 +7,6 @@ module Fog
         attribute :instance_id, 'instanceId'
         attribute :public_ip,   'publicIp'
 
-        def initialize(attributes = {})
-          super
-        end
-
         def delete
           connection.release_address(@public_ip)
           true

lib/fog/aws/models/ec2/key_pair.rb

@@ -8,10 +8,6 @@ module Fog
         attribute :material,    'keyMaterial'
         attribute :name,        'keyName'
 
-        def initialize(attributes = {})
-          super
-        end
-
         def delete
           connection.delete_key_pair(@name)
           true

lib/fog/aws/models/s3/bucket.rb

@@ -9,10 +9,6 @@ module Fog
         attribute :name,          'Name'
         attribute :owner
 
-        def initialize(attributes = {})
-          super
-        end
-
         def buckets
           @buckets
         end

lib/fog/aws/models/s3/object.rb

@@ -14,10 +14,6 @@ module Fog
         attribute :size,            'Size'
         attribute :storage_class,   'StorageClass'
 
-        def initialize(attributes = {})
-          super
-        end
-
         def bucket
           @bucket
         end

lib/fog/aws/models/s3/objects.rb

@@ -9,10 +9,6 @@ module Fog
         attribute :max_keys,      'MaxKeys'
         attribute :prefix,        'Prefix'
 
-        def initialize(attributes = {})
-          super
-        end
-
         def all(options = {})
           merge_attributes(options)
           bucket.buckets.get(bucket.name, attributes).objects