Update README.md

Minor tweak - we don't need SQL privileges now.

Author: isc-tleavitt

README.md

@@ -88,7 +88,6 @@ If you want to interact with remotes from VSCode/Studio directly (e.g., to push/
 #### IRIS Privileges
 For developers to be able to run this extension, they'll need the following privileges:
 - the USE privilege on %System_Callout
-- SQL SELECT privileges on %Studio_SourceControl.Change and SourceControl_Git.Change
 
 ### Setting up multiple GitHub deploy keys on one machine