DC pressure dependent field parameter used added incorrectly

[hauenst]

In the TableLoader in DC reconstruction the pressure dependent parameters for the "bfield_coefficienct" are added twice to the constant parameter:

delta_bfield_coefficient[s][r] = t2dPressure.getDoubleValueByHash("delta_bfield_a0", hash)
                            +t2dPressure.getDoubleValueByHash("delta_bfield_a1", hash)*dp*dpscale
                            +t2dPressure.getDoubleValueByHash("delta_bfield_a2", hash)*dp*dp*dp2scale
                            +t2dPressure.getDoubleValueByHash("delta_bfield_a1", hash)*dp*dpscale
                            +t2dPressure.getDoubleValueByHash("delta_bfield_a2", hash)*dp*dp*dp2scale;

This leads to a remaining pressure dependence in recent timelines of RGK, RGD and RGE for Region 2.

The fix is just to remove the two lines