Fix disable collisions setting

src/main/java/fr/xephi/authme/settings/Settings.java

@@ -190,7 +190,7 @@ public final class Settings {
         preventOtherCase = configFile.getBoolean("settings.preventOtherCase", false);
         kickPlayersBeforeStopping = configFile.getBoolean("Security.stop.kickPlayersBeforeStopping", true);
         sendPlayerTo = configFile.getString("Hooks.sendPlayerTo", "");
-        keepCollisionsDisabled = configFile.getBoolean("settings.KeepCollisionsDisabled");
+        keepCollisionsDisabled = load(PluginSettings.KEEP_COLLISIONS_DISABLED);
     }
 
     /**

src/main/java/fr/xephi/authme/settings/properties/PluginSettings.java

@@ -58,7 +58,7 @@ public class PluginSettings implements SettingsClass {
         "Works only with MC 1.9"
     })
     public static final Property<Boolean> KEEP_COLLISIONS_DISABLED =
-            newProperty("settings.KeepCollisionsDisabled", false);
+        newProperty("settings.restrictions.keepCollisionsDisabled", false);
 
     private PluginSettings() {
     }