Revert "Adjust comments in script for Java 9"

This reverts commit 9ebc78d5172aa2b550b0c502545ff43792a25635.

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1773672 13f79535-47bb-0310-9956-ffa450edef68

java9.sh

@@ -13,7 +13,6 @@ export ANT_OPTS="-Xmx1024m"
 ant -version
 
 # disable file-leak-detector:	-Dfile.leak.detector=-Da=b \
-# option to try to avoid sigsev:    -Djava9addarg=-XX:-PartialPeelLoop \
 
 ant  \
     -Duser.language=en \
@@ -90,7 +89,8 @@ exit 0
 # => Ant 1.9.5 fixes this: https://bz.apache.org/bugzilla/show_bug.cgi?id=58271
 
 
-# JaCoCo is failing, fixed with newer JaCoCo:
+# JaCoCo is failing:
+
 test-main:
 [jacoco:coverage] Enhancing junit with coverage
     [junit] File leak detector installed