PDFBOX-6013: remove unused constructor

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1925859 13f79535-47bb-0310-9956-ffa450edef68

Author: THausherr

fontbox/src/main/java/org/apache/fontbox/ttf/gsub/CompoundCharacterTokenizer.java

@@ -51,11 +51,6 @@ public CompoundCharacterTokenizer(Set<String> compoundWords)
         regexExpression = Pattern.compile(getRegexFromTokens(compoundWords));
     }
 
-    public CompoundCharacterTokenizer(Pattern pattern)
-    {
-        regexExpression = pattern;
-    }
-
     /**
      * Validate the compound words. They should not be null or empty and should start and end with
      * the GLYPH_ID_SEPARATOR