Remove unused include.

BUG=b:251196347
TEST=Builds

Change-Id: I6776b0fdd905749376ee2b17a634b7dde877e373
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/gestures/+/3936622
Reviewed-by: Harry Cutts <hcutts@chromium.org>
Auto-Submit: Ben Murdoch <benm@chromium.org>
Tested-by: Ben Murdoch <benm@chromium.org>
Commit-Queue: Ben Murdoch <benm@chromium.org>
diff --git a/src/lookahead_filter_interpreter.cc b/src/lookahead_filter_interpreter.cc
index 70178c3..7694060 100644
--- a/src/lookahead_filter_interpreter.cc
+++ b/src/lookahead_filter_interpreter.cc
@@ -6,7 +6,6 @@
 
 #include <algorithm>
 #include <math.h>
-#include <values.h>
 
 #include "gestures/include/tracer.h"
 #include "gestures/include/util.h"