Revert "AMBARI-21955. Update React version to 15.6.2 to get MIT license. (Sanket Shah via yusaku)"
Revert "AMBARI-21955. Update React version to 15.6.2 to get MIT license. (Sanket Shah via yusaku)"

This reverts commit 371f1f327d2b7b57df09cdf196e803213f59d993.

sekikn/ambari,sekikn/ambari,sekikn/ambari,sekikn/ambari,sekikn/ambari,sekikn/ambari,sekikn/ambari,sekikn/ambari,sekikn/ambari