RPM Init script bugfix, which might prevent startup

Removing dangerous set calls, which might not set back the current state, but something invalid which leads to stop the script when proceeding

src/rpm/init.d/elasticsearch

@@ -50,7 +50,6 @@ if [ -n $USER ] && [ -z $ES_USER ] ; then
 fi
 
 checkJava() {
-	set +e
     if [ -x "$JAVA_HOME/bin/java" ]; then
         JAVA="$JAVA_HOME/bin/java"
     else
@@ -61,7 +60,6 @@ checkJava() {
         echo "Could not find any executable java binary. Please install java in your PATH or set JAVA_HOME"
         exit 1
     fi
-	set -e
 }
 
 start() {