[geary] Remove errant print() call added by commit 06594188.

[Michael Gratton <mjog src gnome org>]

commit 69dfc096567907007fa4e1e9a05332e8f3c05d39
Author: Michael James Gratton <mike vee net>
Date:   Sun Jul 29 12:49:18 2018 +1000

    Remove errant print() call added by commit 06594188.

 src/engine/rfc822/rfc822-mailbox-address.vala | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/src/engine/rfc822/rfc822-mailbox-address.vala b/src/engine/rfc822/rfc822-mailbox-address.vala
index 00d0f5c6..b3c5d411 100644
--- a/src/engine/rfc822/rfc822-mailbox-address.vala
+++ b/src/engine/rfc822/rfc822-mailbox-address.vala
@@ -61,8 +61,6 @@ public class Geary.RFC822.MailboxAddress :
 
                 is_dot = (ch == '.');
 
-                print("\nchecking: %c (is ATEXT? %s)\n", ch, (ch in ATEXT).to_string());
-
                 if (!(ch >= 0x41 && ch <= 0x5A) && // A-Z
                     !(ch >= 0x61 && ch <= 0x7A) && // a-z
                     !(ch >= 0x30 && ch <= 0x39) && // 0-9