removed unused disturb designs

...disturb2_unb2b_station_adc/disturb2_unb2b_station_adc.vhd

...rb2_unb2b_station_adc/disturb2_unb2b_station_adc_pins.tcl

...b_station/revisions/disturb2_unb2b_station_adc/hdllib.cfg

...turb2_unb2b_station_adc/tb_disturb2_unb2b_station_adc.vhd

...s/disturb2_unb2b_station_bf/disturb2_unb2b_station_bf.vhd

...turb2_unb2b_station_bf/disturb2_unb2b_station_bf_pins.tcl

...2b_station/revisions/disturb2_unb2b_station_bf/hdllib.cfg

...isturb2_unb2b_station_bf/tb_disturb2_unb2b_station_bf.vhd

...b_station_bf/tb_disturb2_unb2b_station_bf_bst_offload.vhd

...sturb2_unb2b_station_fsub/disturb2_unb2b_station_fsub.vhd

...2_unb2b_station_fsub/disturb2_unb2b_station_fsub_pins.tcl

..._station/revisions/disturb2_unb2b_station_fsub/hdllib.cfg

...rb2_unb2b_station_fsub/tb_disturb2_unb2b_station_fsub.vhd

...ation_fsub/tb_disturb2_unb2b_station_fsub_sst_offload.vhd

...nb2b_station_xsub_one/disturb2_unb2b_station_xsub_one.vhd

...station_xsub_one/disturb2_unb2b_station_xsub_one_pins.tcl

...tion/revisions/disturb2_unb2b_station_xsub_one/hdllib.cfg

...b_station_xsub_one/tb_disturb2_unb2b_station_xsub_one.vhd

...ub_one/tb_disturb2_unb2b_station_xsub_one_xst_offload.vhd

...2b_station_xsub_ring/disturb2_unb2b_station_xsub_ring.vhd