Removing the leading "r"

The text: r¨¨¨ causes markdown wrapping failures.

src/Trame/Applications/FiniteElementAnalysis/app_client_view.py

-r"""
+"""
 Version for trame 1.x - https://github.com/Kitware/trame/blob/release-v1/examples/VTK/Applications/FiniteElementAnalysis/app_client_view.py
 Delta v1..v2          - https://github.com/Kitware/trame/commit/03f28bb0084490acabf218264b96a1dbb3a17f19
 """