Issue #2946014: Removed [Vartheme] from Varbase core code, and have it as stand-alone theme

themes/vartheme/VARTHEME_SUBTHEME/less/layout/README.md

...theme/VARTHEME_SUBTHEME/less/layout/edge2edge.layout.less

themes/vartheme/VARTHEME_SUBTHEME/less/mixins.less

themes/vartheme/VARTHEME_SUBTHEME/less/rtl/README.md

themes/vartheme/VARTHEME_SUBTHEME/less/rtl/base/README.md

...ME_SUBTHEME/less/rtl/base/VARTHEME_SUBTHEME-rtl.base.less

...e/VARTHEME_SUBTHEME/less/rtl/base/bootstrap-rtl.base.less

...me/VARTHEME_SUBTHEME/less/rtl/base/vartheme-rtl.base.less

.../vartheme/VARTHEME_SUBTHEME/less/rtl/components/README.md

themes/vartheme/VARTHEME_SUBTHEME/less/rtl/layout/README.md

themes/vartheme/VARTHEME_SUBTHEME/less/rtl/state/README.md

themes/vartheme/VARTHEME_SUBTHEME/less/rtl/theme/README.md

...e/VARTHEME_SUBTHEME/less/rtl/theme/content-rtl.theme.less

...me/VARTHEME_SUBTHEME/less/rtl/theme/footer-rtl.theme.less

...me/VARTHEME_SUBTHEME/less/rtl/theme/header-rtl.theme.less

themes/vartheme/VARTHEME_SUBTHEME/less/state/README.md

themes/vartheme/VARTHEME_SUBTHEME/less/theme/README.md

...theme/VARTHEME_SUBTHEME/less/theme/betterlogin.theme.less

.../vartheme/VARTHEME_SUBTHEME/less/theme/content.theme.less

...s/vartheme/VARTHEME_SUBTHEME/less/theme/footer.theme.less