Update strings.xml
Update strings.xml

- remove unused 'subscription list' strings
- remove correct tab indents
twiceyuan/AntennaPod,udif/AntennaPod,twiceyuan/AntennaPod,johnjohndoe/AntennaPod,TimB0/AntennaPod,mfietz/AntennaPod,johnjohndoe/AntennaPod,orelogo/AntennaPod,orelogo/AntennaPod,mfietz/AntennaPod,mfietz/AntennaPod,udif/AntennaPod,TimB0/AntennaPod,orelogo/AntennaPod,domingos86/AntennaPod,domingos86/AntennaPod,domingos86/AntennaPod,udif/AntennaPod,johnjohndoe/AntennaPod,mfietz/AntennaPod,TimB0/AntennaPod,twiceyuan/AntennaPod,domingos86/AntennaPod,orelogo/AntennaPod,twiceyuan/AntennaPod,johnjohndoe/AntennaPod,TimB0/AntennaPod,udif/AntennaPod