MM-25478: Migrate compliancestore to plain error (#15074)

* ComplianceStore migration

* Fix imports

* Added one string

* fix go.tools.mod

Co-authored-by: Rodrigo Villablanca <villa061004@gmail.com>
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

store/store.go

@@ -402,12 +402,12 @@ type ClusterDiscoveryStore interface {
 }
 
 type ComplianceStore interface {
-	Save(compliance *model.Compliance) (*model.Compliance, *model.AppError)
-	Update(compliance *model.Compliance) (*model.Compliance, *model.AppError)
-	Get(id string) (*model.Compliance, *model.AppError)
-	GetAll(offset, limit int) (model.Compliances, *model.AppError)
-	ComplianceExport(compliance *model.Compliance) ([]*model.CompliancePost, *model.AppError)
-	MessageExport(after int64, limit int) ([]*model.MessageExport, *model.AppError)
+	Save(compliance *model.Compliance) (*model.Compliance, error)
+	Update(compliance *model.Compliance) (*model.Compliance, error)
+	Get(id string) (*model.Compliance, error)
+	GetAll(offset, limit int) (model.Compliances, error)
+	ComplianceExport(compliance *model.Compliance) ([]*model.CompliancePost, error)
+	MessageExport(after int64, limit int) ([]*model.MessageExport, error)
 }
 
 type OAuthStore interface {