delete spurious duplicate limsup entry

Author: davidcarlisle

unicode.xml

@@ -1668,9 +1668,6 @@ Barbara Beeton for the STIX project
       <character id="U0006C-00069-0006D-00069-0006E-00066" dec="108-105-109-105-110-102">
          <description>MULTIPLE CHARACTER OPERATOR: liminf</description>
       </character>
-      <character id="U0006C-00069-0006D-00073-00075-0007" dec="108-105-109-115-117-112">
-         <description>MULTIPLE CHARACTER OPERATOR: limsup</description>
-      </character>
       <character id="U0006C-00069-0006D-00073-00075-00070" dec="108-105-109-115-117-112">
          <description>MULTIPLE CHARACTER OPERATOR: limsup</description>
       </character>