Revert to static website

Lib/FontAwesome/less/_core.less

@@ -0,0 +1,28 @@
+// base icon class definition
+// -------------------------
+
+.@{fa-css-prefix} {
+  font-family: ~'var(--@{fa-css-prefix}-style-family, @{fa-style-family})';
+  font-weight: ~'var(--@{fa-css-prefix}-style, @{fa-style})';
+}
+
+.@{fa-css-prefix},
+.fas,
+.@{fa-css-prefix}--solid,
+.far,
+.@{fa-css-prefix}--regular,
+.fal,
+.@{fa-css-prefix}--light,
+.fat,
+.@{fa-css-prefix}--thin,
+.fad,
+.@{fa-css-prefix}--duotone,
+.fab,
+.@{fa-css-prefix}--brands {
+  -moz-osx-font-smoothing: grayscale;
+  -webkit-font-smoothing: antialiased;
+  display: ~'var(--@{fa-css-prefix}-display, @{fa-display})';
+  font-style: normal;
+  font-variant: normal;
+  text-rendering: auto;
+}