Remove line from demoInstructions (#1189)

Author: jamiebenstead

CHANGELOG.md

@@ -23,6 +23,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Dark mode colours (#1182)
 - Dark mode for instuctions code block (#1187)
 - Change markdown links to open in new tab (#1188)
+- Update demo instructions text (#1189)
 
 ### Changed
 

src/assets/markdown/demoInstructions.md

@@ -4,8 +4,6 @@
 
 Any text written here will be visible to students in the sidebar
 
-If you decide you do not want instructions, simply leave this panel blank.
-
 ## Writing instructions
 
 Write your instructions using [Markdown](https://www.markdownguide.org/)