Backing out more recent FTP fixes that seem to have a negative impact in certain scenarios. Revert "This seems to give the best working combination. There is still a problem but that can be solved later on."

This reverts commit 7fef64519b72a6aa8e1adcce9e02cbf1f6e3f351.
Backing out more recent FTP fixes that seem to have a negative impact in certain scenarios. Revert "Correct the port assignment and do not make any changes on nat since only client is behind"

This reverts commit e278348f7b6c362d3a03730e76c84ce3b87be20c.
Backing out more recent FTP fixes that seem to have a negative impact in certain scenarios.  Revert "More fixes to ftp helper for policy routing"

This reverts commit 1c742757590d5213e8322f9f43f41df5f1c3c2c1.
Backing out more recent FTP fixes that seem to have a negative impact in certain scenarios. Revert "Always create a state to follow policy routing for ftp helper states"

This reverts commit 7d7dbc4e3d899f2bcf2c8705cfdba3714089bc40.