Deleting a Service

Go to run type : services.msc 

Select a service --> Right click it --> Choose properties . You would find the service name listed on the top of the dialogue box.

Make sure the service is stopped and turned to manual startup mode. And then use the below command to delete the service from the services
Syntax

sc delete <Service_Name>

C:\Windows\system32>sc delete ReportServer$JELLYBEAN
[SC] DeleteService SUCCESS

C:\Windows\system32>sc delete MSSQLServerOLAPService
[SC] DeleteService SUCCESS

C:\Windows\system32>sc delete MSOLAP$JELLYBEAN
[SC] DeleteService SUCCESS

C:\Windows\system32>sc delete SQLSERVERAGENT
[SC] DeleteService SUCCESS

C:\Windows\system32>sc delete MSSQLFDLauncher
[SC] DeleteService SUCCESS

C:\Windows\system32>sc delete MSSQLFDLauncher$JELLYBEAN
[SC] DeleteService SUCCESS