iTerm2 is still acting up under some circumstances and the special
symbols that I was using to delimit the current window name get messed
up. This is also an opportunity to make the configuration a bit more
visually minimal :).
Even after allowing for some time to adjust my muscle memory, it turns
out that I prefer the previous way of navigating.
This reverts commits:
- 1c51425d370cd25c1c189a054809557759028d19
- 7ef518901890c8979309fc23cf6b3293ef498dbb
