major refactor: begin work to switch to GNOME and preservation

home/local/share/applications/math.desktop

@@ -1,31 +0,0 @@
-[Desktop Entry]
-Actions=NewDocument;
-Categories=Office;Education;Science;Math;X-Red-Hat-Base;
-Comment=Create and edit scientific formulas and equations.
-Exec=env WAYLAND_DISPLAY= libreoffice --math %U
-GenericName[en_US]=Formula Editor
-GenericName=Formula Editor
-Icon=libreoffice-math
-InitialPreference=5
-Keywords=Equation;OpenDocument Formula;Formula;odf;MathML;
-MimeType=application/mathml+xml;application/vnd.oasis.opendocument.formula;application/vnd.oasis.opendocument.formula-template;application/vnd.stardivision.math;application/vnd.sun.xml.math;application/x-starmath;text/mathml;
-Name=LibreOffice Math
-NoDisplay=false
-Path=
-PrefersNonDefaultGPU=false
-StartupNotify=true
-StartupWMClass=libreoffice-math
-Terminal=false
-TerminalOptions=
-Type=Application
-Version=1.0
-X-GIO-NoFuse=true
-X-KDE-Protocols=file,http,webdav,webdavs
-X-KDE-SubstituteUID=false
-X-KDE-Username=
-
-[Desktop Action NewDocument]
-Exec=libreoffice --math
-Icon=document-new
-Name[en_US]=New Formula
-Name=New Formula