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/y2020/control_loops/superstructure/shooter/BUILD b/y2020/control_loops/superstructure/shooter/BUILD
index 96c933f..df676e4 100644
--- a/y2020/control_loops/superstructure/shooter/BUILD
+++ b/y2020/control_loops/superstructure/shooter/BUILD
@@ -57,7 +57,8 @@
         ":shooter_tuning_readings_fbs",
         "//aos:init",
         "//aos/events:shm_event_loop",
-        "@com_github_gflags_gflags//:gflags",
-        "@com_github_google_glog//:glog",
+        "@com_google_absl//absl/flags:flag",
+        "@com_google_absl//absl/log",
+        "@com_google_absl//absl/log:check",
     ],
 )