Remove mk.sh script (obsoleted by Env 1.38)

mk.sh

-#!/bin/bash
-# A script to simplify building a single component.
-# Syntax: mk.sh [target] [environment]
-# For more flexibility, use make directly.
-
-TARGET=all
-[[ "$1" =~ (all|install|debug|clean|links) ]] && TARGET=$1 && shift
-[ -z "$1" ] || BUILD=$1 && shift
-[ -n "$BUILD" ] || BUILD=ROOL/CTools
-[ -n "$RISCOS" ] || RISCOS=../../../../..
-cd $(dirname $0)
-
-# Two ways of doing the same thing
-if [ -n "$BUILDUSINGSUBSHELL" ]; then
-	HERE=`pwd`
-	cd $RISCOS
-	if [ $TARGET == "install" ]; then
-		Env/$BUILD.sh "cd $HERE && make install COMPONENT=squeeze INSTTYPE=tool INSTDIR=$INSTALLDIR/Library     -I\$MAKEFILEDIR --no-print-directory"
-		Env/$BUILD.sh "cd $HERE && make install COMPONENT=squeeze INSTTYPE=app  INSTDIR=$INSTALLDIR/Tools/Tools -I\$MAKEFILEDIR --no-print-directory"
-	else
-		Env/$BUILD.sh "cd $HERE && make $TARGET COMPONENT=squeeze -I\$MAKEFILEDIR --no-print-directory"
-	fi
-else
-	pushd $RISCOS > /dev/null
-	source Env/$BUILD.sh
-	popd > /dev/null
-	if [ $TARGET == "install" ]; then
-		make install COMPONENT=squeeze INSTTYPE=tool INSTDIR=$INSTALLDIR/Library     -I$MAKEFILEDIR --no-print-directory
-		make install COMPONENT=squeeze INSTTYPE=app  INSTDIR=$INSTALLDIR/Tools/Tools -I$MAKEFILEDIR --no-print-directory
-	else
-		make $TARGET COMPONENT=squeeze -I$MAKEFILEDIR --no-print-directory
-	fi
-fi