Revert "Bump version to 4.2.1 (#621)"

This reverts commit fd1d603.

Author: VedranZoricic

changes.txt

@@ -1,7 +1,3 @@
-4.2.1
-- Fixed FlatStore to skip hash values when building API request payloads
-- Removed hash validation on FlatStore reads to allow for custom objects
-
 4.1.3
 - Updated ReadMe with more errors.
 - Fixed issue where paginated requests could only be iterated through once.

lib/intercom/version.rb

@@ -1,3 +1,3 @@
 module Intercom #:nodoc:
-  VERSION = "4.2.1"
+  VERSION = "4.2.0"
 end