Drop Field.validate

rest_framework/fields.py

@@ -321,7 +321,6 @@ class Field(object):
 
         value = self.to_internal_value(data)
         self.run_validators(value)
-        self.validate(value)
         return value
 
     def run_validators(self, value):
@@ -348,9 +347,6 @@ class Field(object):
         if errors:
             raise ValidationError(errors)
 
-    def validate(self, value):
-        pass
-
     def to_internal_value(self, data):
         """
         Transform the *incoming* primitive data into a native value.