renepay: remove unused internal errorcodes

Signed-off-by: Lagrang3 <[email protected]>

Author: Lagrang3

plugins/renepay/Makefile

@@ -5,7 +5,6 @@ PLUGIN_RENEPAY_SRC :=				\
 	plugins/renepay/routetracker.c		\
 	plugins/renepay/routefail.c		\
 	plugins/renepay/mods.c			\
-	plugins/renepay/errorcodes.c		\
 	plugins/renepay/json.c
 
 PLUGIN_RENEPAY_HDRS :=				\
@@ -17,7 +16,6 @@ PLUGIN_RENEPAY_HDRS :=				\
 	plugins/renepay/routetracker.h		\
 	plugins/renepay/routefail.h		\
 	plugins/renepay/mods.h			\
-	plugins/renepay/errorcodes.h		\
 	plugins/renepay/json.c
 
 PLUGIN_RENEPAY_OBJS := $(PLUGIN_RENEPAY_SRC:.c=.o)