[access] remove Epione from P1 on abacus14 and abacus18

data/grid5000/accesses/all.json

@@ -4267,8 +4267,8 @@
       "level": 0
     },
     "abacus14": {
-      "label": "p1",
-      "level": 40
+      "label": "p3",
+      "level": 20
     },
     "abacus16": {
       "label": "p3",
@@ -4279,8 +4279,8 @@
       "level": 0
     },
     "abacus18": {
-      "label": "p1",
-      "level": 40
+      "label": "besteffort",
+      "level": 0
     },
     "abacus19": {
       "label": "besteffort",