Fix issue where some fieldtypes might have orphaned data in the DB when removing a field from a template.
Fix issue where some fieldtypes might have orphaned data in the DB when removing a field from a template.

rusjoan/poly-hackaton,rusjoan/poly-hackaton,ryancramerdesign/ProcessWire,ryancramerdesign/ProcessWire,ryancramerdesign/ProcessWire,fezde/ProcessWire,fezde/ProcessWire,rusjoan/poly-hackaton,ryancramerdesign/ProcessWire,fezde/ProcessWire,fezde/ProcessWire,rusjoan/poly-hackaton,ryancramerdesign/ProcessWire,fezde/ProcessWire,rusjoan/poly-hackaton