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/tests/test_fans_os.robot b/tests/test_fans_os.robot
index b0546d5..3d04a2c 100755
--- a/tests/test_fans_os.robot
+++ b/tests/test_fans_os.robot
@@ -157,7 +157,7 @@
     # back to normal.
     ${msg}=  Catenate  Waiting ${minutes_to_stabilize} minutes
     ...  for fan daemon to stabilize fans.
-    Rprint Timen  ${msg}
+    Print Timen  ${msg}
     Run Key U  Sleep \ ${minutes_to_stabilize}m
 
 
diff --git a/tests/test_inventory.robot b/tests/test_inventory.robot
index eff05c1..d5c2a32 100644
--- a/tests/test_inventory.robot
+++ b/tests/test_inventory.robot
@@ -290,7 +290,7 @@
     ${system_list}=  Get Endpoint Paths
     ...  ${HOST_INVENTORY_URI}system/chassis/motherboard  fan*
 
-    Rprintn
+    Printn
     Rprint Vars  water_cooled  system_list
 
     Run Keyword If  ${water_cooled}