Bug 1497154 - recipient certificate status should not be checked for signing usage since that only concerns the sender certificate. r=mkmelin

mailnews/extensions/smime/content/msgCompSecurityInfo.js

@@ -260,7 +260,6 @@ const certificateUsageEmailRecipient         = 0x0020;
 
 // A map from the name of a certificate usage to the value of the usage.
 const certificateUsages = {
-  certificateUsageEmailSigner,
   certificateUsageEmailRecipient,
 };