Removed support for adding jar files to the classpath, since it didn't work anyway

with the new -jar starter.

build/main/hop.sh

@@ -1,6 +1,9 @@
 #!/bin/sh
 # Shell script for starting Helma with a JDK-like virtual machine.
 
+# To add JAR files to the classpath, simply place them into the 
+# lib/ext directory.
+
 # uncomment to set JAVA_HOME variable
 # JAVA_HOME=/usr/lib/java
 
@@ -17,9 +20,6 @@ HTTP_PORT=8080
 # AJP13_PORT=8009
 # RMI_PORT=5050
 
-# Set additional classpath
-# JARS=/path/to/some/file.jar
-
 ###########################################################
 ###### No user configuration needed below this line #######
 ###########################################################
@@ -63,10 +63,6 @@ fi
 if [ "$HOP_HOME" ]; then
    SWITCHES="$SWITCHES -h $HOP_HOME"
 fi
-if [ "$JARS" ]; then
-   JARS="-classpath $JARS"
-fi
-
 
 # Invoking the Java VM
-$JAVACMD $JAVA_OPTIONS $JARS -jar launcher.jar $SWITCHES
+$JAVACMD $JAVA_OPTIONS -jar launcher.jar $SWITCHES