HBASE-15195 Don't run findbugs on hbase-it; it has nothing in src/main/java

dev-support/hbase-personality.sh

@@ -78,9 +78,12 @@ function personality_modules
 
   if [[ ${testtype} = findbugs ]]; then
     for module in ${CHANGED_MODULES}; do
-      # skip findbugs on hbase-shell
+      # skip findbugs on hbase-shell and hbase-it. hbase-it has nothing
+      # in src/main/java where findbugs goes to look
       if [[ ${module} == hbase-shell ]]; then
         continue
+      elif [[ ${module} == hbase-it ]]; then
+        continue
       else
         # shellcheck disable=SC2086
         personality_enqueue_module ${module} ${extra}