Remove excess whitespace from archive session titles

Author: AndrewKvalheim

_archive-sessions/2017/roi-return-on-inclusion.md

@@ -1,5 +1,5 @@
 ---
-title: 'ROI:  Return on Inclusion'
+title: 'ROI: Return on Inclusion'
 osem_url: https://osem.seagl.org/conferences/seagl2017/program/proposals/372
 beginning: '2017-10-06T14:00:00.000-07:00'
 end: '2017-10-06T14:50:00.000-07:00'

_archive-sessions/2021/cross-debugging-on-linux.md

@@ -1,5 +1,5 @@
 ---
-title: 'Cross debugging on Linux : A history, current state of the art and  coming
+title: 'Cross debugging on Linux : A history, current state of the art and coming
   improvements'
 osem_url: https://osem.seagl.org/conferences/seagl2021/program/proposals/816
 beginning: '2021-11-06T13:15:00.000-07:00'