Remove unused constructors to improve test coverage

Author: idodeclare

src/org/opensolaris/opengrok/analysis/document/MandocException.java

@@ -18,18 +18,13 @@
  */
 
  /*
- * Copyright (c) 2017, Chris Fraire <[email protected]>.
+ * Copyright (c) 2017-2018, Chris Fraire <[email protected]>.
  */
 package org.opensolaris.opengrok.analysis.document;
 
 /**
  * Represents an exception that occurs when mandoc exits non-zero.
  */
 public class MandocException extends Exception {
-      public MandocException() { super(); }
       public MandocException(String message) { super(message); }
-      public MandocException(String message, Throwable cause) {
-          super(message, cause);
-      }
-      public MandocException(Throwable cause) { super(cause); }
 }

src/org/opensolaris/opengrok/util/ForbiddenSymlinkException.java

@@ -28,10 +28,5 @@
  * encountered while evaluating a file system path.
  */
 public class ForbiddenSymlinkException extends Exception {
-      public ForbiddenSymlinkException() { super(); }
       public ForbiddenSymlinkException(String message) { super(message); }
-      public ForbiddenSymlinkException(String message, Throwable cause) {
-          super(message, cause);
-      }
-      public ForbiddenSymlinkException(Throwable cause) { super(cause); }
 }