Polish and simplify spring bash script

spring-boot-cli/src/main/scripts/spring

@@ -18,7 +18,6 @@ if $cygwin ; then
 	[ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
 fi
 
-
 # Attempt to find JAVA_HOME if not already set
 if [ -z "${JAVA_HOME}" ]; then
 	if $darwin ; then
@@ -78,19 +77,11 @@ if [ ! -d "${SPRING_HOME}" ]; then
 	exit 2
 fi
 
-for f in "${SPRING_HOME}"/classes "${SPRING_HOME}"/*.jar "${SPRING_HOME}"/lib/*.jar; do
+CLASSPATH="${SPRING_HOME}/lib/*"
-    if [ -f $f -o -d $f ]; then
-    	if [ "${CLASSPATH}" == "" ]; then
-			CLASSPATH="${f}"
-		else
-   			CLASSPATH="${CLASSPATH}":"${f}"
-		fi
-	fi
-done
 
 if $cygwin; then
 	SPRING_HOME=`cygpath --path --mixed "$SPRING_HOME"`
 	CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
 fi
 
-"${JAVA_HOME}/bin/java ${JAVA_OPTS}" -cp "$CLASSPATH" org.springframework.boot.cli.SpringCli $*
+"${JAVA_HOME}/bin/java" ${JAVA_OPTS} -cp "$CLASSPATH" org.springframework.boot.cli.SpringCli $*