Revert "[grenoble][chartreuse4] add by_path for disk"

This reverts commit 7d4248c7.

data/grid5000/sites/grenoble/clusters/chartreuse4/nodes/chartreuse4-1.json

@@ -105,7 +105,7 @@
   "storage_devices": [
     {
       "by_id": "",
-      "by_path": "/dev/disk/by-path/pci-0000:3b:00.0-sas-phy4-lun-0",
+      "by_path": "/dev/disk/by-path/dummy",
       "id": "disk0",
       "interface": "SAS",
       "model": "unknown",

data/grid5000/sites/grenoble/clusters/chartreuse4/nodes/chartreuse4-2.json

@@ -105,7 +105,7 @@
   "storage_devices": [
     {
       "by_id": "",
-      "by_path": "/dev/disk/by-path/pci-0000:3b:00.0-sas-phy4-lun-0",
+      "by_path": "/dev/disk/by-path/dummy",
       "id": "disk0",
       "interface": "SAS",
       "model": "unknown",

data/grid5000/sites/grenoble/clusters/chartreuse4/nodes/chartreuse4-3.json

@@ -105,7 +105,7 @@
   "storage_devices": [
     {
       "by_id": "",
-      "by_path": "/dev/disk/by-path/pci-0000:3b:00.0-sas-phy4-lun-0",
+      "by_path": "/dev/disk/by-path/dummy",
       "id": "disk0",
       "interface": "SAS",
       "model": "unknown",

data/grid5000/sites/grenoble/clusters/chartreuse4/nodes/chartreuse4-4.json

@@ -105,7 +105,7 @@
   "storage_devices": [
     {
       "by_id": "",
-      "by_path": "/dev/disk/by-path/pci-0000:3b:00.0-sas-phy4-lun-0",
+      "by_path": "/dev/disk/by-path/dummy",
       "id": "disk0",
       "interface": "SAS",
       "model": "unknown",

input/grid5000/sites/grenoble/clusters/chartreuse4/chartreuse4.yaml

@@ -33,9 +33,9 @@ nodes:
       disk0: # TODO: later
         id: disk0
         interface: SAS
-        by_path: "/dev/disk/by-path/pci-0000:3b:00.0-sas-phy4-lun-0"
+        by_path: "/dev/disk/by-path/dummy" # this path will have to change later.
     software:
-      standard-environment: debian11-x64-std
+      standard-environment: debian11-x64-std # TODO: check that architecture is OK
     management_tools:
       bmc_vendor_tool: racadm
     nodeset: chartreuse4