Remove LinkEditorServices comment in development.md (#4684)

Task was removed in #3775, now automatic for Debug-builds.

Author: fflaten

docs/development.md

@@ -38,11 +38,6 @@ This will compile the TypeScript files in the project to JavaScript files.
 Invoke-Build Build
 ```
 
-As a developer, you may want to use `Invoke-Build LinkEditorServices` to setup a symbolic
-link to its modules instead of copying the files. This will mean the built extension will
-always have the latest version of your PowerShell Editor Services build, but this cannot
-be used to package the extension into a VSIX. So it is a manual step.
-
 ### Launching the extension
 
 #### From Visual Studio Code