Pylint fixes

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

wlauto/commands/__init__.py

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

wlauto/commands/show.py

@@ -111,4 +111,3 @@ def format_extension_parameters(extension, out, width, shift=4):
         param_texts.append(indent(param_text, shift))
 
     out.write(format_column('\n'.join(param_texts), width))
-