Revert "Support eauth in batch mode"

This reverts commit e63eb5a002221a73e6e5729a08f99ffcdd28d0ca.

Conflicts:
	salt/cli/__init__.py
Revert "Switch to new dynamic transport loader."

This reverts commit a6880d74782e7e680be3d097f075c2b0a3fef2c7.
Revert "Remove outdated documentation"

This reverts commit ca8ad10b6a8f94c1cf68a5666c89e35d602e3d9c.