RFR[12] JDK-8214459: NSS source should be removed

[sha.jiang at oracle.com]

Hi,
The NSS 3.16 source in test/jdk/sun/security/pkcs11/nss/src is not 
needed anymore, so just remove it.

diff -r 1d520c376105 
test/jdk/sun/security/pkcs11/nss/src/nss-3.16-with-nspr-4.10.4.tar.gz
Binary file 
test/jdk/sun/security/pkcs11/nss/src/nss-3.16-with-nspr-4.10.4.tar.gz 
has changed
diff -r 1d520c376105 
test/jdk/sun/security/pkcs11/nss/src/nss-3.16-with-nspr-4.10.4.tar.gz.sha256
--- 
a/test/jdk/sun/security/pkcs11/nss/src/nss-3.16-with-nspr-4.10.4.tar.gz.sha256 
Wed Nov 28 18:16:39 2018 -0800
+++ /dev/null    Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-9d23633683ab3cea14519a22a997bc7f5d8d9664b6342df492c194966184ce0d 
nss-3.16-with-nspr-4.10.4.tar.gz

Best regards,
John Jiang