Revert "Added a summary message to check_requirements"

This reverts commit 4280318e4cfd55eade2cfebdefc8daed4626c219.
Revert "Improvements to check_requirements"

This reverts commit e21d15773292d4ce95353bea3dc06b69ab000299.
Revert "Added a prod option to the rquirements checker"

This reverts commit 5b9ae76d157d068ef456d5caa5c4352a139f528b.
Revert "Added a requirements checker, and added missing requirement django-jquery"

This reverts commit 373674be71e411e2a81f38aff3f4f7ea8bc483f8.

Conflicts:
	requirements/common.txt