fix sample.ini (#37106)

conf/sample.ini

@@ -995,12 +995,12 @@
 [geomap]
 # Set the JSON configuration for the default basemap
 ;default_baselayer_config = `{
-  "type": "xyz",
-  "config": {
-    "attribution": "Open street map",
-    "url": "https://tile.openstreetmap.org/{z}/{x}/{y}.png"
-  }
-}`
+;  "type": "xyz",
+;  "config": {
+;    "attribution": "Open street map",
+;    "url": "https://tile.openstreetmap.org/{z}/{x}/{y}.png"
+;  }
+;}`
 
 # Enable or disable loading other base map layers
 ;enable_custom_baselayers = true