*Sigh* The WRAPPER_CONF variable exists and I don't know why I didn't use it

before with my 'gentoo hack'.

debian/patches/0001-path-substitution.patch

@@ -45,27 +45,6 @@ Debian wrapper.config to try to prevent confusion.
  
  # Priority at which to run the wrapper.  See "man nice" for valid priorities.
  #  nice is only used if a priority is specified.
-@@ -131,19 +131,7 @@
- 
- # Do not modify anything beyond this point
- #-----------------------------------------------------------------------------
--# Workaround for Gentoo
--JAVABINARY=`grep ^wrapper\.java\.command $I2P/wrapper.config | cut -f2 -d=`
--
--if [ -e /etc/gentoo-release ]; then
--    if [ $JAVABINARY = java ]; then
--        if [ -x /etc/java-config-2/current-system-vm/bin/java ]; then
--            JAVABINARY="/etc/java-config-2/current-system-vm/bin/java"
--        else
--            echo "Please set wrapper.java.command in $I2P/wrapper.config"
--            exit 1
--        fi
--    fi
--fi
-+JAVABINARY="java"
- 
- WRAPPER_URL="http://www.i2p2.de/manualwrapper"
- unsupported() {
 --- a/installer/resources/runplain.sh
 +++ b/installer/resources/runplain.sh
 @@ -11,8 +11,8 @@