Fix min_id and max_id causing error in search API (#32857)

lib/exceptions.rb

@@ -8,7 +8,6 @@ module Mastodon
   class LengthValidationError < ValidationError; end
   class DimensionsValidationError < ValidationError; end
   class StreamValidationError < ValidationError; end
-  class FilterValidationError < ValidationError; end
   class RaceConditionError < Error; end
   class RateLimitExceededError < Error; end
   class SyntaxError < Error; end