[guice] defer to parent for java version

Author: jeffgbutler

pom.xml

@@ -144,8 +144,6 @@
     </profiles>
 
     <properties>
-        <javac.src.version>1.5</javac.src.version>
-        <javac.target.version>1.5</javac.target.version>
         <findbugs.onlyAnalyze>org.mybatis.guice.*</findbugs.onlyAnalyze>
         <clirr.comparisonVersion>1.0.0</clirr.comparisonVersion>
         <guice.version>3.0</guice.version>