fix: remove unnecessary check

Author: anonrig

lib/parse.js

@@ -43,11 +43,6 @@ function parse(input) {
         key = input.slice(startingIndex + 1, i);
         value = "";
       }
-      // Check if the current range consist of only values.
-      else if (equalityIndex === startingIndex) {
-        key = "";
-        value = input.slice(equalityIndex + 1, i);
-      }
       // Range consist of both key and value
       else {
         key = input.slice(startingIndex + 1, equalityIndex);