Revert "add list of supported countries"

This reverts commit 1b14cfb718.

docs/supported_countries.txt

@@ -1,221 +0,0 @@
-Afghanistan
-Albania
-Algeria
-American Samoa
-Andorra
-Angola
-Anguilla
-Antigua and Barbuda
-Argentina
-Armenia
-Aruba
-Australia
-Austria
-Azerbaijan
-Bahamas
-Bahrain
-Bangladesh
-Barbados
-Belarus
-Belgium
-Belize
-Benin
-Bermuda
-Bhutan
-Bolivia
-Bosnia and Herzegovina
-Botswana
-Brazil
-Brunei
-Bulgaria
-Burkina Faso
-Burundi
-Cambodia
-Cameroon
-Canada
-Cape Verde
-Cayman Islands
-Central Africa
-Chad
-Chile
-China
-Colombia
-Comoros
-Congo
-Cook Islands
-Costa Rica
-Croatia
-Cuba
-Cyprus
-Czech Republic
-Denmark
-Djibouti
-Dominica
-Dominican Republic
-DR Congo
-East Timor
-Ecuador
-Egypt
-El Salvador
-Equatorial Guinea
-Eritrea
-Estonia
-Ethiopia
-Falkland Islands
-Faroe Islands
-Fiji
-Finland
-France
-French Guiana
-French Polynesia
-Gabon
-Gambia
-Georgia
-Germany
-Ghana
-Gibraltar
-Greece
-Greenland
-Grenada
-Guadeloupe
-Guam
-Guatemala
-Guernsey
-Guinea
-Guinea-Bissau
-Guyana
-Haiti
-Honduras
-Hong Kong
-Hungary
-Iceland
-India
-Indonesia
-Iran
-Iraq
-Ireland
-Israel
-Italy
-Ivory Coast
-Jamaica
-Japan
-Jersey
-Jordan
-Kenya
-Korea Republic of
-Kuwait
-Kyrgyzstan
-Laos PDR
-Latvia
-Lebanon
-Lesotho
-Liberia
-Libya
-Liechtenstein
-Lithuania
-Luxembourg
-Macau
-Macedonia
-Madagascar
-Malawi
-Malaysia
-Maldives
-Mali
-Malta
-Marshall Islands
-Martinique
-Mauritania
-Mauritius
-Mexico
-Micronesia
-Moldova
-Monaco
-Mongolia
-Montenegro
-Montserrat
-Morocco
-Mozambique
-Myanmar
-Namibia
-Nepal
-Netherlands
-Netherlands Antilles
-New Caledonia
-New Zealand
-Nicaragua
-Niger
-Nigeria
-Niue
-Norfolk Island
-Norway
-Oman
-Pakistan
-Palau
-Palestinian Territory
-Panama
-Papua New Guinea
-Paraguay
-Peru
-Philippines
-Poland
-Portugal
-Puerto Rico
-Qatar
-Reunion/Mayotte
-Romania
-Russia
-Rwanda
-Samoa
-San Marino
-Sao Tome and Principe
-Saudi Arabia
-Senegal
-Serbia
-Seychelles
-Sierra Leone
-Singapore
-Slovakia
-Slovenia
-Solomon Islands
-Somalia
-South Africa
-South Sudan
-Spain
-Sri Lanka
-St Kitts and Nevis
-St Lucia
-St Pierre and Miquelon
-St Vincent Grenadines
-Sudan
-Suriname
-Swaziland
-Sweden
-Switzerland
-Syria
-Taiwan
-Tajikistan
-Tanzania
-Thailand
-Togo
-Tonga
-Trinidad and Tobago
-Tunisia
-Turkey
-Turkmenistan
-Turks and Caicos Islands
-Tuvalu
-Uganda
-Ukraine
-United Arab Emirates
-United Kingdom
-United States
-Uruguay
-Uzbekistan
-Vanuatu
-Venezuela
-Vietnam
-Virgin Islands, British
-Virgin Islands, U.S.
-Yemen
-Zambia
-Zimbabwe