artif: merge artifacts in ps.yaml

Merged AIX and Solaris ps artifacts.

artifacts/live_response/process/ps.yaml

@@ -39,7 +39,7 @@ artifacts:
     output_file: ps_-efl.txt
   -
     description: Report a snapshot of the current processes including elapsed time since the process was started.
-    supported_os: [aix]
+    supported_os: [aix, solaris]
     collector: command
     command: ps -eo pid,user,etime,args
     output_file: ps_-eo_pid_user_etime_args.txt
@@ -49,12 +49,6 @@ artifacts:
     collector: command
     command: ps -axo pid,user,etime,args
     output_file: ps_-eo_pid_user_etime_args.txt
-  -
-    description: Report a snapshot of the current processes including elapsed time since the process was started.
-    supported_os: [solaris]
-    collector: command
-    command: ps -eo pid,user,etime,args
-    output_file: ps_-eo_pid_user_etime_args.txt
   -
     description: Report a snapshot of the current processes including time the command started.
     supported_os: [freebsd, linux, macos, netbsd, netscaler, openbsd]