[14] RFR(S) 8225464: Obsolete TraceNMethodInstalls flag

[Vladimir Kozlov]

http://cr.openjdk.java.net/~kvn/8225464/webrev.00/
https://bugs.openjdk.java.net/browse/JDK-8225464

This is diagnostic flag - no CSR is needed.

In JDK 13 it was replaced with UL option -Xlog:nmethod+install [1].

Thanks,
Vladimir

[1] https://bugs.openjdk.java.net/browse/JDK-8222371