Update mailmap file.
# gives no duplicates.
Michael R Sweet <michaelrsweet@gmail.com> msweet <msweet@a1ca3aef-8c08-0410-bb20-df032aa958be>
Michael R Sweet <michaelrsweet@gmail.com> Michael Sweet <msweet@msweet-imac.local>
+Michael R Sweet <michaelrsweet@gmail.com> Michael R Sweet <michael.r.sweet@gmail.com>
+Michael R Sweet <michaelrsweet@gmail.com> Michael Sweet <michael.r.sweet@gmail.com>
+Michael R Sweet <michaelrsweet@gmail.com> Michael Sweet <mike@Sams-MacBook-Air.local>
+Michael R Sweet <michaelrsweet@gmail.com> Michael Sweet <mike@ma0103e-dhcp174.apple.com>
+Michael R Sweet <michaelrsweet@gmail.com> Michael Sweet <msweet@apple.com>
+Michael R Sweet <michaelrsweet@gmail.com> Michael Sweet <msweet@ma0103f-dhcp197.apple.com>
+Michael R Sweet <michaelrsweet@gmail.com> Mike Sweet <msweet@apple.com>
+Smith Kennedy <smith.kennedy@hp.com> Smith Kennedy <wifiprintguy@users.noreply.github.com>
