ICU-5362 remove API

X-SVN-Rev: 20229

icu4j/src/com/ibm/icu/text/UTF16.java

@@ -2850,18 +2850,4 @@ public final class UTF16
         result.append(getTrailSurrogate(ch));
         return result.toString();
     }
-    /**
-     * Constructs the supplementary code point and return it
-     * @param lead the lead surrogate
-     * @param trail the trail surrogate
-     * @return code point
-     */     
-    public static int getCodePoint(char lead, char trail){
-        if(isLeadSurrogate(lead)&& isTrailSurrogate(trail)){
-            return UCharacterProperty.getRawSupplementary(lead, trail);
-        }
-        throw new IllegalArgumentException("The lead: \\u"+Integer.toHexString(lead)+
-                                           " trail: "+Integer.toHexString(trail) + 
-                                           "failed");
-    }
 }