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/control_loops/quaternion_utils.h b/frc971/control_loops/quaternion_utils.h
index e96f5f1..3e40e3f4 100644
--- a/frc971/control_loops/quaternion_utils.h
+++ b/frc971/control_loops/quaternion_utils.h
@@ -3,7 +3,8 @@
 
 #include "Eigen/Dense"
 #include "Eigen/Geometry"
-#include "glog/logging.h"
+#include "absl/log/check.h"
+#include "absl/log/log.h"
 
 namespace frc971::controls {