remote: remove reference to "master"

BUG=b:162024466
TEST=none

Change-Id: Ie1014be9edf2cfdbb905d6698880569be61c524e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/touch_firmware_test/+/2441389
Tested-by: Harry Cutts <hcutts@chromium.org>
Auto-Submit: Harry Cutts <hcutts@chromium.org>
Reviewed-by: Sean O'Brien <seobrien@chromium.org>
Commit-Queue: Harry Cutts <hcutts@chromium.org>
diff --git a/remote/mt/input/linux_input.py b/remote/mt/input/linux_input.py
index 84b6798..9209260 100644
--- a/remote/mt/input/linux_input.py
+++ b/remote/mt/input/linux_input.py
@@ -800,7 +800,7 @@
 SW_LID                  = 0x00  # set = lid shut
 SW_TABLET_MODE          = 0x01  # set = tablet mode
 SW_HEADPHONE_INSERT     = 0x02  # set = inserted
-SW_RFKILL_ALL           = 0x03  # rfkill master switch, type "any"
+SW_RFKILL_ALL           = 0x03  # rfkill main switch, type "any"
                                 # set = radio enabled
 SW_RADIO = SW_RFKILL_ALL        # deprecated
 SW_MICROPHONE_INSERT    = 0x04  # set = inserted