Revert "Use temporary files for aptly colouring output"

This reverts commit dd7869a1f392a5aee227743e6dc7db0b348e2c30.

Capturing output prevents live stderr logging

Signed-off-by: Rohan Jain <crodjer@gmail.com>
Success/fail messages in when STDOUT is blank

Signed-off-by: Rohan Jain <crodjer@gmail.com>