[Android] Remove chromium version of devil.

build/android/devil/android/device_signal.py

Index: build/android/devil/android/device_signal.py
diff --git a/build/android/devil/android/device_signal.py b/build/android/devil/android/device_signal.py
deleted file mode 100644
index 6a5b70999f83c2c3461992b1490776f5725545f3..0000000000000000000000000000000000000000
--- a/build/android/devil/android/device_signal.py
+++ /dev/null
@@ -1,41 +0,0 @@
-# Copyright 2015 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Defines constants for signals that should be supported on devices.
-
-Note: Obtained by running `kill -l` on a user device.
-"""
-
-
-SIGHUP = 1 # Hangup
-SIGINT = 2 # Interrupt
-SIGQUIT = 3 # Quit
-SIGILL = 4 # Illegal instruction
-SIGTRAP = 5 # Trap
-SIGABRT = 6 # Aborted
-SIGBUS = 7 # Bus error
-SIGFPE = 8 # Floating point exception
-SIGKILL = 9 # Killed
-SIGUSR1 = 10 # User signal 1
-SIGSEGV = 11 # Segmentation fault
-SIGUSR2 = 12 # User signal 2
-SIGPIPE = 13 # Broken pipe
-SIGALRM = 14 # Alarm clock
-SIGTERM = 15 # Terminated
-SIGSTKFLT = 16 # Stack fault
-SIGCHLD = 17 # Child exited
-SIGCONT = 18 # Continue
-SIGSTOP = 19 # Stopped (signal)
-SIGTSTP = 20 # Stopped
-SIGTTIN = 21 # Stopped (tty input)
-SIGTTOU = 22 # Stopped (tty output)
-SIGURG = 23 # Urgent I/O condition
-SIGXCPU = 24 # CPU time limit exceeded
-SIGXFSZ = 25 # File size limit exceeded
-SIGVTALRM = 26 # Virtual timer expired
-SIGPROF = 27 # Profiling timer expired
-SIGWINCH = 28 # Window size changed
-SIGIO = 29 # I/O possible
-SIGPWR = 30 # Power failure
-SIGSYS = 31 # Bad system call