remove gateway completely (#15929)

cmd/bucket-encryption.go

@@ -34,15 +34,6 @@ func NewBucketSSEConfigSys() *BucketSSEConfigSys {
 
 // Get - gets bucket encryption config for the given bucket.
 func (sys *BucketSSEConfigSys) Get(bucket string) (*sse.BucketSSEConfig, error) {
-	if globalIsGateway {
-		objAPI := newObjectLayerFn()
-		if objAPI == nil {
-			return nil, errServerNotInitialized
-		}
-
-		return nil, BucketSSEConfigNotFound{Bucket: bucket}
-	}
-
 	sseCfg, _, err := globalBucketMetadataSys.GetSSEConfig(bucket)
 	return sseCfg, err
 }