Removed innnecesary input from input file

runs/0D_Argon/input.json

@@ -3,9 +3,7 @@
   "output": {
     "path": "./runs/0D_test/",
     "triggerOutput": 1,
-    "cpuTime": true,
     "numColl": true,
-    "EMField": true,
 	"folder": "test"
   },
   "reference": {
@@ -17,7 +15,6 @@
   "geometry": {
     "type":     "1DCart",
     "meshType": "0D",
-    "meshFile": "mesh.msh",
     "volume": 1e-11
   },
   "species": [
@@ -48,7 +45,7 @@
   },
   "parallel": {
     "OpenMP":{
-      "nThreads": 5
+      "nThreads": 4
     }
   }
 }