COMP: Fix for CleanQuadEdgeMesh documentation

Fixes:
src/Filtering/QuadEdgeMeshFiltering/CleanQuadEdgeMesh/Documentation.rst:: WARNING: document isn't included in any toctree

Change-Id: Ia4f883f94826f400fc695202add14fa6ecb64883
Merge "COMP: Fix for CleanQuadEdgeMesh documentation"