[lyon][hydra] put ram_size to 0

data/grid5000/sites/lyon/clusters/hydra/nodes/hydra-1.json

@@ -21,7 +21,7 @@
   },
   "exotic": true,
   "main_memory": {
-    "ram_size": 8
+    "ram_size": 0
   },
   "management_tools": {
     "bmc_vendor_tool": "ipmitool",
@@ -32,7 +32,7 @@
   "memory_devices": [
     {
       "device": "dimm",
-      "size": 8,
+      "size": 0,
       "technology": "dram"
     }
   ],

input/grid5000/sites/lyon/clusters/hydra/nodes/hydra-1.yaml

@@ -80,8 +80,8 @@ hydra-1:
       size: 1920383410176
       storage: SSD
   main_memory:
-    ram_size: 8 # Fake size, will be replaced by g5k-checks
+    ram_size: 0 # Fake size, will be replaced by g5k-checks
   memory_devices:
     dimm:
-      size: 8
+      size: 0
       technology: dram