logd: Build Breakage

a change slipped in from a rebase conflict, repairing.

Change-Id: Ib6479f88fb044f37b6721035c2f7cc75577c0411
diff --git a/logd/LogStatistics.cpp b/logd/LogStatistics.cpp
index 517135d..3fbcfd6 100644
--- a/logd/LogStatistics.cpp
+++ b/logd/LogStatistics.cpp
@@ -330,8 +330,7 @@
                 }
                 android::String8 name("  PID/UID");
                 android::String8 size("Size");
-                android::String8 pruned("Pruned");
-                format_line(output, name, size, pruned);
+                format_line(output, name, size);
                 headerPrinted = true;
             }