remove unused code
state to backers
Merge branch 'master' into backer_state_machine
added state machine into backers [#48424757]
fix user_totals to backer state_machine [#48424757]
fix statistics to backers state machine [#48424757]
Merge branch 'master' into backer_state_machine
fix reward to backer state machine [#48424757]
adjust user scopes
update user to new backer state machine [#48424757]
fix project_spec to new backer state machine [#48424757]
fix ability_spec to new backer state machine [#48424757]
fix update spec to backer state machine [#48424757]
fix observers to new backer state machine [#48424757]
protected state column
fix controller specs to new backer state_machine [#48424757]
adjust refund to new backer state machine [#48424757]
fix user controller to new backer state machine [#48424757]
Merge branch 'master' into backer_state_machine
allow project owner to sort rewards #changelog [Fix #46148793]