moved rpki to the right line

tasks/main.yml

@@ -6,7 +6,6 @@
   import_role:
     name: nftables
   vars:
-    rpki: True
     nft_templates:
       int_rtr: "{{lookup('template','int_rtr.nft.j2')}}"
   tags: nftables
@@ -14,6 +13,7 @@
 - import_role:
     name: frr
   vars:
+    rpki: True
     frr_conf: "{{lookup('template','frr_conf.j2')}}"
   tags: frr