Update micro.json (#3433)

Based on the description, the type here should be boolean rather than a string.

data/micro.json

@@ -305,8 +305,8 @@
         },
         "statusline": {
             "description": "Whether to display a status line\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
-            "type": "string",
-            "default": "sudo"
+            "type": "boolean",
+            "default": true
         },
         "sucmd": {
             "description": "A super user command\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
@@ -364,4 +364,4 @@
         }
     },
     "additionalProperties": false
-}
+}