RFR: 8173801 Modify makefiles to not build demos and samples bundles.

[Alexandre (Shura) Iline]

Hi,

Could you be so kind to review suggested changes for the makefiles to stop producing sales and demos bundle. Pls note that this request only changes the makefiles, it does not remove demos and samples source code, which will be done separately.

Bug: https://bugs.openjdk.java.net/browse/JDK-8173801
Webrev: http://cr.openjdk.java.net/~shurailine/8173801/webrev.02/

Shura