Pylint fixes

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

wlauto/tools/__init__.py

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

wlauto/tools/extdoc.py

@@ -131,4 +131,3 @@ def _parse_lambda(text):
     func_text = re.sub(r'\b{}\b'.format(param), 'value', func_text)
 
     return func_text
-