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/y2024/control_loops/superstructure/superstructure_main.cc b/y2024/control_loops/superstructure/superstructure_main.cc
index a5ab8ed..90c5eb4 100644
--- a/y2024/control_loops/superstructure/superstructure_main.cc
+++ b/y2024/control_loops/superstructure/superstructure_main.cc
@@ -2,8 +2,8 @@
 #include "aos/init.h"
 #include "y2024/control_loops/superstructure/superstructure.h"
 
-DEFINE_string(arm_trajectories, "arm_trajectories_generated.bfbs",
-              "The path to the generated arm trajectories bfbs file.");
+ABSL_FLAG(std::string, arm_trajectories, "arm_trajectories_generated.bfbs",
+          "The path to the generated arm trajectories bfbs file.");
 
 using y2024::control_loops::superstructure::Superstructure;