Remove API steps that doesn't use aliases

[noggan]

Since aliases uses the primary key of the entity we could remove a bunch of step definitions and force the usage of aliases instead.

Meaning steps that previously looked like:
I add a new car to shop with id 1
Should now be written as:
I add a new car to shop with alias s

Advantages:

• Would reduce the code size of the ApiContext with like 30-40%
• Standardize the way we write scenarios
• Simplify the framework (for beginners)

[Hotas2k]

This is almost equally to what we merged today, see https://github.com/interactive-solutions/zf-behat/releases/tag/1.0.8