Fix various sonarcloud issues

This fixes various reported bugs through sonarcloud at:
https://sonarcloud.io/project/issues?id=Rodney-Reis_ansible&resolved=false&types=BUG

lib/ansible/module_utils/basic.py

@@ -2870,8 +2870,6 @@ class AnsibleModule(object):
                     if prompt_re.search(stdout) and not data:
                         if encoding:
                             stdout = to_native(stdout, encoding=encoding, errors=errors)
-                        else:
-                            stdout = stdout
                         return (257, stdout, "A prompt was encountered while running a command, but no input data was specified")
                 # only break out if no pipes are left to read or
                 # the pipes are completely read and

lib/ansible/module_utils/network/cnos/cnos.py

@@ -300,9 +300,9 @@ def waitForDeviceResponse(command, prompt, timeout, obj):
         except Exception:
             # debugOutput(prompt)
             if prompt == "(yes/no)?":
-                retVal = retVal
+                pass
             elif prompt == "Password:":
-                retVal = retVal
+                pass
             else:
                 retVal = retVal + "\n Error-101"
             flag = True