oak-search-mt: eliminate transitive log4j dependency
<groupId>org.apache.joshua</groupId>
<artifactId>joshua-incubating</artifactId>
<version>6.1</version>
+ <exclusions>
+ <exclusion>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-log4j12</artifactId>
+ </exclusion>
+ </exclusions>
</dependency>
<dependency>
<groupId>org.apache.lucene</groupId>
