Update docs.it4i/software/tools/ansys/ansys-cfx.md,...

Update docs.it4i/software/tools/ansys/ansys-cfx.md, docs.it4i/software/tools/ansys/ansys-fluent.md, docs.it4i/software/tools/ansys/ansys-ls-dyna.md, docs.it4i/software/tools/ansys/ansys-mechanical-apdl.md, docs.it4i/software/tools/ansys/licensing.md, mkdocs.yml, docs.it4i/software/tools/ansys/setting-license-preferences.md, docs.it4i/software/tools/ansys/workbench.md, docs.it4i/software/tools/easybuild-images.md, docs.it4i/software/tools/spack.md, docs.it4i/software/tools/virtualization.md, docs.it4i/software/isv_licenses.md, docs.it4i/software/nvidia-cuda.md files
Deleted docs.it4i/software/tools/ansys/ls-dyna.md