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

...eme/VARTHEME_SUBTHEME/css/component/toolbar.component.css

...artheme/VARTHEME_SUBTHEME/css/layout/edge2edge.layout.css

...HEME_SUBTHEME/css/rtl/base/VARTHEME_SUBTHEME-rtl.base.css

...eme/VARTHEME_SUBTHEME/css/rtl/base/bootstrap-rtl.base.css

...heme/VARTHEME_SUBTHEME/css/rtl/base/vartheme-rtl.base.css

...eme/VARTHEME_SUBTHEME/css/rtl/theme/content-rtl.theme.css

...heme/VARTHEME_SUBTHEME/css/rtl/theme/footer-rtl.theme.css

...heme/VARTHEME_SUBTHEME/css/rtl/theme/header-rtl.theme.css

...artheme/VARTHEME_SUBTHEME/css/theme/betterlogin.theme.css

...es/vartheme/VARTHEME_SUBTHEME/css/theme/content.theme.css

themes/vartheme/VARTHEME_SUBTHEME/css/theme/footer.theme.css

themes/vartheme/VARTHEME_SUBTHEME/css/theme/header.theme.css

...vartheme/VARTHEME_SUBTHEME/css/theme/vbp-colors.theme.css

themes/vartheme/VARTHEME_SUBTHEME/favicon.ico

themes/vartheme/VARTHEME_SUBTHEME/images/required.svg

themes/vartheme/VARTHEME_SUBTHEME/js/script.js

themes/vartheme/VARTHEME_SUBTHEME/less/README.md

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

...e/VARTHEME_SUBTHEME/less/base/VARTHEME_SUBTHEME.base.less

.../vartheme/VARTHEME_SUBTHEME/less/base/bootstrap.base.less