[MASTER] Cleanup credentials.ini template file

Cleanup the workers password template examples, following commit
ceab651 where the Carrier bots were removed, and the Phoenix ones
introduced.

Author: HBelusca

master/credentials.ini

@@ -20,11 +20,8 @@ passwd=XXXXX
 webhookurl=XXXXX
 
 [workers]
-AHK-Bot_passwd=XXXXX
-Carrier-GCC8_passwd=XXXXX
-Carrier-WHS-Bot_passwd=XXXXX
-Carrier-Win2003-x64_passwd=XXXXX
-Carrier-Win7_passwd=XXXXX
-Fezile_passwd=XXXXX
-HotelLux_passwd=XXXXX
+Phoenix_passwd=XXXXX
+Phoenix-WHS-Bot_passwd=XXXXX
+Phoenix-Win2003-x64_passwd=XXXXX
+Phoenix-Win7_passwd=XXXXX
 Testee_passwd=XXXXX