Remove useless warning

This warning serves no value, but it pops up during testing, which
confused an end user. Thus, it is being removed.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/Hash/Merge/Augment.pm6 b/lib/Hash/Merge/Augment.pm6
index b256b8e..8de7542 100644
--- a/lib/Hash/Merge/Augment.pm6
+++ b/lib/Hash/Merge/Augment.pm6
@@ -18,8 +18,8 @@ augment class Hash
     #| becomes an Array type.
     #| Use :no-append-array to replace arrays and positionals instead, which will
     #| also retain the original type and not convert to an Array
-    multi method merge (Hash:U: %b, Bool:D :$no-append-array = False) {
-        warn "Cannot merge an undefined Hash!";
+    multi method merge (Hash:U: %b, Bool:D :$no-append-array = False)
+    {
         return %b;
     }