RFR: JDK-8243673: Mac signing process should not use --deep arg.

[Andy Herrick]

Please review webrev at [1] to address issue [2].


/Andy

[1] - http://cr.openjdk.java.net/~herrick/8243673/webrev.01/

[2] - https://bugs.openjdk.java.net/browse/JDK-8243673