Remove left-over debug logging in perf.sh

diff --git a/perf.sh b/perf.sh
index 2357d25edcf094f1ba4a1b2ba38a35bf2a7b9477..23b768758b09ff148a6a81e9b9283ac6ea76dc09 100755 (executable)
--- a/perf.sh
+++ b/perf.sh
@@ -83,8 +83,6 @@ compile $n "$ccache $cxx"
 echo "Time: $(elapsed $t0)"
 
 unset CCACHE_NODIRECT
-CCACHE_LOGFILE=ccache.log
-export CCACHE_LOGFILE
 rm -rf $CCACHE_DIR
 
 echo "With ccache, direct, cache miss:"