models/ssh_key: little key methods receiver rename
models/ssh_key: little key methods receiver rename

cgars/gogs,dancewing/gogs,mukaiu/gogs,gogits/gogs,psaavedra/gogs,wangjild/gogs,dancewing/gogs,psaavedra/gogs,wangjild/gogs,Spice-King/gogs,liliexuan/gogs,chriswatt/gogs,pikacloud/pikacode,pikacloud/pikacode,ForxaCoLab/forxa,linquize/gogs,dlob/gogs,dlob/gogs,Spice-King/gogs,cgars/gogs,psaavedra/gogs,xaionaro/gogs,mukaiu/gogs,cgars/gogs,linquize/gogs,dlob/gogs,dancewing/gogs,chriswatt/gogs,gogits/gogs,liliexuan/gogs,liliexuan/gogs,linquize/gogs,ForxaCoLab/forxa,xaionaro/gogs,xaionaro/gogs,chriswatt/gogs,mukaiu/gogs,dancewing/gogs,Spice-King/gogs,wangjild/gogs,pikacloud/pikacode,ForxaCoLab/forxa,gogits/gogs