Merge pull request #15554 from sgrif/sg-klass

Removed unused `klass` definitions from types

activerecord/lib/active_record/type/binary.rb

@@ -9,10 +9,6 @@ def binary?
         true
       end
 
-      def klass
-        ::String
-      end
-
       def type_cast_for_database(value)
         Data.new(super)
       end

activerecord/lib/active_record/type/decimal.rb

@@ -7,10 +7,6 @@ def type
         :decimal
       end
 
-      def klass
-        ::BigDecimal
-      end
-
       def type_cast_for_schema(value)
         value.to_s
       end

activerecord/lib/active_record/type/float.rb

@@ -7,10 +7,6 @@ def type
         :float
       end
 
-      def klass
-        ::Float
-      end
-
       alias type_cast_for_database type_cast
 
       private

activerecord/lib/active_record/type/integer.rb

@@ -7,10 +7,6 @@ def type
         :integer
       end
 
-      def klass
-        ::Fixnum
-      end
-
       alias type_cast_for_database type_cast
 
       private

activerecord/lib/active_record/type/string.rb

@@ -9,10 +9,6 @@ def text?
         true
       end
 
-      def klass
-        ::String
-      end
-
       private
 
       def cast_value(value)

activerecord/lib/active_record/type/value.rb

@@ -48,7 +48,6 @@ def serialized?
       end
 
       def klass # :nodoc:
-        ::Object
       end
 
       def type_cast_for_write(value) # :nodoc: