Merge branch 'remove-sisyphe' into 'main'

NEWS.txt

.../Misc/TelemacDocTemplate/TexFileExample/TextEquations.tex

...tation/Misc/developer_guide/latex/S1-programming_bief.tex

documentation/Misc/developer_guide/latex/cis.tex

...ntation/Misc/developer_guide/latex/coding-conventions.tex

documentation/Misc/developer_guide/latex/misc.tex

...ation/Misc/software_quality_plan/latex/nominativelist.tex

documentation/Misc/software_quality_plan/latex/terms.tex

documentation/data/TelemacDoc.cls

documentation/doxydocs/TelModules.dox

documentation/sisyphe/reference/graphics/fig10.png

documentation/sisyphe/reference/graphics/fig11.png

documentation/sisyphe/reference/graphics/fig12.png

documentation/sisyphe/reference/graphics/fig13.png

documentation/sisyphe/reference/graphics/fig2.png

documentation/sisyphe/reference/graphics/fig3.png

documentation/sisyphe/reference/graphics/fig4.png

documentation/sisyphe/reference/graphics/fig5.png

documentation/sisyphe/reference/graphics/fig6.png

documentation/sisyphe/reference/graphics/fig7.png