svn commit: r32129 - in /release/incubator/dubbo: 2.6.2/ 2.6.3/ 2.6.4/

[huxing]

Author: huxing
Date: Fri Jan 25 02:28:44 2019
New Revision: 32129

Log:
remove old releases

Removed:
    release/incubator/dubbo/2.6.2/
    release/incubator/dubbo/2.6.3/
    release/incubator/dubbo/2.6.4/