[openwrt] Fix unnecessary quotation changes

Author: jonathanunderwood

netjsonconfig/backends/openwrt/converters/__init__.py

@@ -12,16 +12,16 @@
 from .wireless import Wireless
 
 __all__ = [
-    "Default",
-    "Interfaces",
-    "General",
-    "Led",
-    "Ntp",
-    "OpenVpn",
-    "Radios",
-    "Routes",
-    "Rules",
-    "Switch",
-    "Wireless",
-    "Firewall",
+    'Default',
+    'Interfaces',
+    'General',
+    'Led',
+    'Ntp',
+    'OpenVpn',
+    'Radios',
+    'Routes',
+    'Rules',
+    'Switch',
+    'Wireless',
+    'Firewall',
 ]