Remove source code reference

Author: flacombe

analysers/analyser_osmosis_powerline.py

@@ -738,7 +738,7 @@ def __init__(self, config, logger = None):
             title = T_('Power support line management suggestion'),
             detail = T_(
 '''[line_management](https://wiki.openstreetmap.org/wiki/Key:line_management) documents particular topologies occuring on power lines nodes. Mind looking at values documentation.
-Suggestions are computed by looking at existing OpenStreetMap power lines and only supports [some combinations](https://github.com/osmose-qa/osmose-backend/blob/dev/analysers/analyser_osmosis_powerline.py#L618).
+Suggestions are computed by looking at existing OpenStreetMap power lines and only supports some combinations.
 It's an encouragement to check and confirm the structure of the power grid on most relevant towers, particularly when proposed `line_management` differs from existing value.
 Proposed values are to be adopted when conform to ground according to your knowledge, aerial imagery or survey.'''),
             trap = T_(