remove un used sln items

Author: SimonCropp

System.CommandLine.sln

@@ -17,10 +17,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		global.json = global.json
 		LICENSE.md = LICENSE.md
 		README.md = README.md
-		restore.cmd = restore.cmd
-		restore.sh = restore.sh
-		test.cmd = test.cmd
-		test.sh = test.sh
 	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{E5B1EC71-0FC4-4FAA-9C65-32D5016FBC45}"