It depends on your DM.
Fey Passage does not inherently allow you to escape from restraints; if it did, it would say that. Squeezing is generally about moving through spaces that are too small to effectively fight in, not dealing with being tied up or handcuffed.
However, it is reasonable that handcuffs sized for a small creature are bigger than an inch ...
Your armor can only be removed if you are dead.
Integrated Protection states:
While you live, the armor incorporated into your body can’t be removed against your will.
This is not ambiguous. The armor cannot be removed against your will, unless you are dead.
D&D 5e has a specific beats general rule:
This compendium contains rules that govern how the ...
It may depend on plane
The description for Aarakocra states that:
Most aarakocra live on the Elemental Plane of Air.
In addition, later in the Sky Warden section, they say that:
On their native plane, they can fly for days or months, landing only to lay their eggs and feed their young before launching themselves back into the air.
This implies that they ...