Here are all the flags I think we don't need
:an: (the Netherlands Antilles isn't even a country anymore??)
:ao: (Angola)
:as: (American Samoa)
:ax: (Aland Islands)
:az: (Azerbaijan)
:bd: (Bangladesh)
:bf: (Burkina Faso)
:bi: (Burundi)
:bj: (Benin)
:bn: (Brunei)
:bt: (Bhutan)
:bv: (Bouvet Island is an uninhabited island??)
:bw: (Botswana)
:cc: (Keeling Islands only have a population of about 600)
:cd: (Democratic Republic of the Congo)
:cf: (Central African Republic)
:cg: (Congo)
:cv: (Cabo Verde)
:cx: (Christmas Island)
:dj: (Djibouti)
:dz: (Algeria)
:eg: (Egypt)
:eh: (Western Sahara)
:er: (Eritrea)
:et: (Ethiopia)
:fj: (Fiji)
:fk: (Falkland Islands)
:fm: (Micronesia)