Revert "Bug 575273 - Update whats new in help files to 4.21 M2 content" This reverts commit 9e6ba28c3957128e0c96c6b32ea350109be3b295. Reason for revert: caused test failures Change-Id: If631a69eff50a03b65513a525d82d94604373fee Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.common/+/183769 Tested-by: Sravan Kumar Lakkimsetti <sravankumarl@in.ibm.com> Reviewed-by: Sravan Kumar Lakkimsetti <sravankumarl@in.ibm.com>