servod: remove gale_power from __init__.py

BUG=chromium:665097
TEST=sudo servod -b reef launches w/o error
ImportError: No module named gale_power

Change-Id: I1785dd891805e5b4a0e2ace6c40d0901b109e316
Reviewed-on: https://chromium-review.googlesource.com/395668
Commit-Ready: Todd Broch <tbroch@chromium.org>
Tested-by: Todd Broch <tbroch@chromium.org>
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-by: John Carey <ranix@google.com>
Reviewed-by: Julio Diez <jdiez@chromium.org>
(cherry picked from commit 4fa50147be699ab3c4f751e336939633fefff042)
Reviewed-on: https://chromium-review.googlesource.com/411320
Commit-Queue: Todd Broch <tbroch@chromium.org>
Reviewed-by: danny chan <dchan@chromium.org>
diff --git a/servo/drv/__init__.py b/servo/drv/__init__.py
index e4c7522..f7a70a7 100644
--- a/servo/drv/__init__.py
+++ b/servo/drv/__init__.py
@@ -21,7 +21,6 @@
 import ec_lm4
 import ec3po_gpio
 import ec3po_driver
-import gale_power
 import gpio
 import hw_driver
 import i2c_reg