Removed unused code

Author: rijnb

src/main/java/com/mapcode/UnknownAlphabetException.java

@@ -32,15 +32,4 @@ public UnknownAlphabetException(@Nonnull final String message) {
         assert message != null;
         this.code = null;
     }
-
-    public UnknownAlphabetException(@Nonnull final String message, final int code) {
-        super(message);
-        assert message != null;
-        this.code = code;
-    }
-
-    public UnknownAlphabetException(final int code) {
-        super();
-        this.code = code;
-    }
 }

src/main/java/com/mapcode/UnknownPrecisionFormatException.java

@@ -32,15 +32,4 @@ public UnknownPrecisionFormatException(@Nonnull final String message) {
         assert message != null;
         this.precision = null;
     }
-
-    public UnknownPrecisionFormatException(@Nonnull final String message, final int precision) {
-        super(message);
-        assert message != null;
-        this.precision = precision;
-    }
-
-    public UnknownPrecisionFormatException(final int precision) {
-        super();
-        this.precision = precision;
-    }
 }

src/main/java/com/mapcode/UnknownTerritoryException.java

@@ -33,12 +33,6 @@ public UnknownTerritoryException(@Nonnull final String message) {
         this.code = null;
     }
 
-    public UnknownTerritoryException(@Nonnull final String message, final int code) {
-        super(message);
-        assert message != null;
-        this.code = code;
-    }
-
     public UnknownTerritoryException(final int code) {
         super();
         this.code = code;