plugins: added state property to plugins

pkg/models/datasource.go

@@ -17,7 +17,6 @@ const (
 	DS_CLOUDWATCH    = "cloudwatch"
 	DS_KAIROSDB      = "kairosdb"
 	DS_PROMETHEUS    = "prometheus"
-	DS_SQLDB         = "sqldb"
 	DS_ACCESS_DIRECT = "direct"
 	DS_ACCESS_PROXY  = "proxy"
 )
@@ -63,7 +62,6 @@ var knownDatasourcePlugins map[string]bool = map[string]bool{
 	DS_CLOUDWATCH:  true,
 	DS_PROMETHEUS:  true,
 	DS_OPENTSDB:    true,
-	DS_SQLDB:       true,
 	"opennms":      true,
 	"druid":        true,
 	"dalmatinerdb": true,