Pylint fixes

Pylint now checks for trailing new lines, this commit fixes them.

wlauto/modules/__init__.py

@@ -12,5 +12,3 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-
-

wlauto/modules/cpuidle.py

@@ -114,4 +114,3 @@ class Cpuidle(Module):
     def _on_device_init(self, context):  # pylint: disable=unused-argument
         if not self.device.file_exists(self.root_path):
             raise DeviceError('Device kernel does not appear to have cpuidle enabled.')
-

wlauto/modules/flashing.py

@@ -245,4 +245,3 @@ def validate_image_bundle(bundle):
             except KeyError:
                 msg = 'Tarball {} does not appear to be a valid image bundle (did not see config.txt).'
                 raise ConfigError(msg.format(bundle))
-