Move over to ABSL logging and flags.

Removes gperftools too since that wants gflags.

Here come the fireworks.

Change-Id: I79cb7bcf60f1047fbfa28bfffc21a0fd692e4b1c
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/frc971/vision/geometry.h b/frc971/vision/geometry.h
index 3285446..f1495bc 100644
--- a/frc971/vision/geometry.h
+++ b/frc971/vision/geometry.h
@@ -3,7 +3,8 @@
 
 #include <optional>
 
-#include "glog/logging.h"
+#include "absl/log/check.h"
+#include "absl/log/log.h"
 #include "opencv2/core/types.hpp"
 
 #include "aos/util/math.h"