getInfo() does not need to throw an exception

Author: vladak

opengrok-indexer/src/main/java/org/opengrok/indexer/history/Cache.java

@@ -36,11 +36,9 @@ public interface Cache {
 
     /**
      * Get a string with information about the cache.
-     *
      * @return a free form text string describing the history instance
-     * @throws HistoryException if an error occurred while getting the info
      */
-    String getInfo() throws HistoryException;
+    String getInfo();
 
     /**
      * Clear the cache for a repository.

opengrok-indexer/src/main/java/org/opengrok/indexer/history/FileAnnotationCache.java

@@ -207,7 +207,7 @@ public String getCacheDirName() {
     }
 
     @Override
-    public String getInfo() throws HistoryException {
+    public String getInfo() {
         return getClass().getSimpleName();
     }
 }