revert inadvertent LAPLACIAN change

Author: alperaltuntas

param_templates/MOM_input.yaml

@@ -990,9 +990,7 @@ Global:
             If true, use a Laplacian horizontal viscosity."
         datatype: logical
         units: Boolean
-        value:
-            $OCN_GRID == "tx2_3v2": False
-            else: True
+        value: True
     KH:
         description: |
             "[m2 s-1] default = 0.0

param_templates/json/MOM_input.json

@@ -747,10 +747,7 @@
          "description": "\"[Boolean] default = False\nIf true, use a Laplacian horizontal viscosity.\"\n",
          "datatype": "logical",
          "units": "Boolean",
-         "value": {
-            "$OCN_GRID == \"tx2_3v2\"": false,
-            "else": true
-         }
+         "value": true
       },
       "KH": {
          "description": "\"[m2 s-1] default = 0.0\nThe background Laplacian horizontal viscosity.\"\n",