Remove use of deprecated rprint functions

For each of the rprint functions, there is a corresponding gen_print function
that can be used instead.

Change-Id: I89c6e0b63cac7aee92da7dc7945e413001287967
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>
diff --git a/lib/dump_utils.robot b/lib/dump_utils.robot
index 30b5ef4..140338e 100644
--- a/lib/dump_utils.robot
+++ b/lib/dump_utils.robot
@@ -88,7 +88,7 @@
     ${exception}=  Set Variable  ${resp.json()['data']['exception']}
     ${at_capacity}=  Set Variable  Dump not captured due to a cap
     ${too_many_dumps}=  Evaluate  $at_capacity in $exception
-    Rprintn
+    Printn
     Rprint Vars   exception  too_many_dumps
     # If there are too many dumps, return ${EMPTY}, otherwise Fail.
     ${status}=  Run Keyword If  ${too_many_dumps}  Set Variable  ${EMPTY}