ACKNOWLEDGEMENTS: Remove entry as requested by backer.

dpgeorge · dpgeorge · commit d6e3038a080a · 2019-07-12T12:57:37.000+10:00
diff --git a/ACKNOWLEDGEMENTS b/ACKNOWLEDGEMENTS
@@ -762,7 +762,6 @@ today.  The names appear in order of pledging.
  1642 Udine
  1643 Simon Critchley
  1644 Sven Haiges, Germany
- 1645 Yi Qing Sim
  1646 "silicium" ("silicium_one", if "silicium" is busy)
  1648 Andy O'Malia, @andyomalia
  1650 RedCamelApps.com
