Update splunk_upload_app_exec.md

documentation/modules/exploit/multi/http/splunk_upload_app_exec.md

@@ -20,8 +20,6 @@ This module has been tested successfully against:
   3. Set required variables (you will need admin credentials)
   4. Do: ```SET LHOST [ip]```
   5. Do: ```SET RHOST [ip]```
-  6. Do: ```SET USERNAME admin```
-  7. Do: ```SET PASSWORD changeme```
   
   8. * If targeting linux or macos the payload ```cmd/unix/reverse_python``` will be automatically selected.
      * If targeting windows the payload ```cmd/windows/adduser``` will be automatically selected.