Remove unused user scope checks

process/process_linux.go

@@ -1,20 +1,5 @@
 package process
 
-// IsUser returns whether the process is run by a normal user.
-func (p *Process) IsUser() bool {
-	return p.UserID >= 1000
-}
-
-// IsAdmin returns whether the process is run by an admin user.
-func (p *Process) IsAdmin() bool {
-	return p.UserID >= 0 && p.UserID < 1000
-}
-
-// IsSystem returns whether the process is run by the operating system.
-func (p *Process) IsSystem() bool {
-	return p.UserID == 0
-}
-
 // IsKernel returns whether the process is the Kernel.
 func (p *Process) IsKernel() bool {
 	return p.Pid == 0