Remove uneeded init files
Remove unused evil packages
Remove unused evil plugin for mocur
Disable wand mode
Remove ESS load on startup, it now loaded on demand with <SPC l e>
Lazy loading of rcirc
Lazy loading of projectile
Minor change (reformat)
Lazy load js2 mode
Lazy load helm.

With the previous loading optimizations, the total
load time of Spacemacs is now 2.4s instead of 4.8s