fix weird mangled key vals (and dups)

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

src/i18n/strings/en_EN.json

@@ -80,7 +80,6 @@
   "ja":"Japanese",
   "ji":"Yiddish",
   "ko":"Korean",
-  "ko":"Korean (Johab)",
   "lt":"Lithuanian",
   "lv":"Latvian",
   "mk":"Macedonian (FYROM)",
@@ -101,8 +100,7 @@
   "sk":"Slovak",
   "sl":"Slovenian",
   "sq":"Albanian",
-  "sr":"Serbian (Cyrillic)",
-  "sr":"Serbian (Latin)",
+  "sr":"Serbian",
   "sv-fi":"Swedish (Finland)",
   "sv":"Swedish",
   "sx":"Sutu",