Fix issues in previous two debian/changelog entries

Last entry included an item that was not in the release,
and the one before that was signed with the wrong email
address.

debian/changelog

@@ -1,6 +1,5 @@
 apt (1.8.0~rc2) unstable; urgency=medium
 
-  * Bump SONAMEs in preparation for ABI breaks
   * Correctly handle feature detection for sse4.2 and crc32
 
  -- Julian Andres Klode <jak@debian.org>  Mon, 04 Feb 2019 18:15:07 +0100
@@ -38,7 +37,7 @@ apt (1.8.0~rc1) unstable; urgency=medium
   [ Baptiste Jammet ]
   * French program translation update (Closes: #921008)
 
- -- Julian Andres Klode <julian.klode@canonical.com>  Mon, 04 Feb 2019 15:32:27 +0100
+ -- Julian Andres Klode <jak@debian.org>  Mon, 04 Feb 2019 15:32:27 +0100
 
 apt (1.8.0~beta1) unstable; urgency=medium