We can load the xss functions directly from the library instead of
loading them through the expose loader of webpack, this should simplify
the setup and maybe even improve speed a bit.
Signed-off-by: Sheogorath <sheogorath@shivering-isles.com>
Octicon no longer provides its CSS classes and this way is useless in
CodiMD. Replacing all used classes in the UI and remove it from build
system.
Signed-off-by: Sheogorath <sheogorath@shivering-isles.com>
