fixup! software/ors-amarisoft: ue: Generalize UEsim

@jerome reports ue/cell/* schemas are not valid JSON and he is right: in
30179be5 I made a mistake to add extra trailing " after propertyOrder
integer value. Fix that.

software/ors-amarisoft/ue/cell/lte/input-schema.json

@@ -23,7 +23,7 @@
 
     "rf_mode": { "$ref": "../../../ue/cell/common.json#/properties/rf_mode" },
     "ru":      { "$ref": "../../../ue/cell/common.json#/properties/ru",
-                  "propertyOrder": 9999"
+                  "propertyOrder": 9999
     },
 
     "dl_earfcn": { "$ref": "../../../cell/lte/input-schema.json#/properties/dl_earfcn" },

software/ors-amarisoft/ue/cell/nr/input-schema.json

@@ -24,7 +24,7 @@
 
     "rf_mode": { "$ref": "../../../ue/cell/common.json#/properties/rf_mode" },
     "ru":      { "$ref": "../../../ue/cell/common.json#/properties/ru",
-                  "propertyOrder": 9999"
+                  "propertyOrder": 9999
     },
 
     "dl_nr_arfcn":  { "$ref": "../../../cell/nr/input-schema.json#/properties/dl_nr_arfcn" },