[mod] one logger per engine - drop obsolete logger.getChild

Remove the no longer needed `logger = logger.getChild(...)` from engines.

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

searx/engines/google_news.py

@@ -20,7 +20,6 @@ from urllib.parse import urlencode
 from base64 import b64decode
 from lxml import html
 
-from searx import logger
 from searx.utils import (
     eval_xpath,
     eval_xpath_list,
@@ -50,8 +49,6 @@ about = {
     "results": 'HTML',
 }
 
-logger = logger.getChild('google news')
-
 # compared to other google engines google-news has a different time range
 # support.  The time range is included in the search term.
 time_range_dict = {