[arch-general] Merge /bin to /usr/bin?

[Clive Cooper]

> IMHO it is not the worst thing to separate /bin and /usr/bin ;-)
> https://github.com/MrMEEE/bumblebee-Old-and-abbandoned/commit/a047be85247755cdbe0acce6

It is a little bit like keeping the tools for your car in the trailer.
When the trailer comes off then there goes your tools.
A symbolic link to your trailer is not quite as useful as the toolbox itself.

Clive