fix imports: remove pkg/

pkg/ is specific to how old nimble handles
packages. Nimble 0.14 (with lock file support)
uses pkg2/

Anyway, pkg or pkg2 are not needed, better remove.

Signed-off-by: Csaba Kiraly <csaba.kiraly@gmail.com>

libp2pdht/private/eth/p2p/discoveryv5/providers/common.nim

@@ -10,11 +10,11 @@
 import std/sequtils
 import std/strutils
 
-import pkg/chronos
-import pkg/libp2p
-import pkg/datastore
-import pkg/questionable
-import pkg/questionable/results
+import chronos
+import libp2p
+import datastore
+import questionable
+import questionable/results
 
 import ../node