drop gdb_remote/gdb_x86_local

It's been a while and no one complained.  Drop them.

BUG=chromium:361767
TEST=precq passes

Change-Id: Iab370d2f8a1a5899a44676d2f880f6c66c17ab3c
Reviewed-on: https://chromium-review.googlesource.com/1121138
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Caroline Tice <cmtice@chromium.org>
diff --git a/host/gdb_remote b/host/gdb_remote
deleted file mode 100755
index 9d3ab45..0000000
--- a/host/gdb_remote
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/bash
-
-# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# TODO: Delete after ~May 2018.
-exec cat << EOF
-$0 has been replaced with 'cros_gdb'.  Please update your workflow and
-file any bugs about missing functionality at https://crbug.com/new.
-EOF
diff --git a/host/gdb_x86_local b/host/gdb_x86_local
deleted file mode 100755
index 9d3ab45..0000000
--- a/host/gdb_x86_local
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/bash
-
-# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# TODO: Delete after ~May 2018.
-exec cat << EOF
-$0 has been replaced with 'cros_gdb'.  Please update your workflow and
-file any bugs about missing functionality at https://crbug.com/new.
-EOF