hg: jdk/hs: 8194994: Remove redundant string streams used for logging

[marcus.larsson at oracle.com]

Changeset: 88ad6c676c87
Author:    mlarsson
Date:      2018-02-13 14:10 +0100
URL:       http://hg.openjdk.java.net/jdk/hs/rev/88ad6c676c87

8194994: Remove redundant string streams used for logging
Reviewed-by: rehn, iklam, coleenp

! src/hotspot/share/classfile/compactHashtable.cpp
! src/hotspot/share/memory/filemap.cpp
! src/hotspot/share/memory/metaspaceShared.cpp