Revert "[luxembourg] add addressing plan for kavlan plage #4421"

This reverts commit d80e8cd6.

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-1.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-10.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-11.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-12.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-13.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-14.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-15.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-16.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-17.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-18.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-19.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-2.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-20.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-21.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-22.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-3.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-4.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-5.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-6.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-7.json

 {
-  "addressing_plan": {
-    "kavlan": "10.40.0.0/14",
-    "virt": "10.172.0.0/14"
-  },
   "architecture": {
     "platform_type": "x86_64",
     "smp_size": 2,