LUCENE-1187: Fix ChainedFilterTest.java and BooleanFilterTest.java to not reference class from test/org/apache/lucene/search/, which is not in the contrib classpath.

Files:
modified: /lucene/java/trunk/contrib/miscellaneous/src/test/org/apache/lucene/misc/ChainedFilterTest.java (try)
modified: /lucene/java/trunk/contrib/queries/src/test/org/apache/lucene/search/DuplicateFilterTest.java (try)
modified: /lucene/java/trunk/contrib/queries/src/test/org/apache/lucene/search/TermsFilterTest.java (try)
deleted: /lucene/java/trunk/src/test/org/apache/lucene/search/OldBitSetFilterWrapper.java
modified: /lucene/java/trunk/contrib/queries/src/test/org/apache/lucene/search/BooleanFilterTest.java (try)