Remove all ant build files.

Remove ant from ubuuntu setup.
diff --git a/tools/cli/build.xml b/tools/cli/build.xml
deleted file mode 100644
index f016ff8..0000000
--- a/tools/cli/build.xml
+++ /dev/null
@@ -1,71 +0,0 @@
-<!-- vim: set expandtab ts=4 sw=4 : -->
-
-<!-- targets in this file should be called from the parent directory -->
-<project basedir="../..">
-    <import file="../../config/config.xml" />
-
-    <!-- build the CLI python package for distribution -->
-    <target name="buildCLI">
-
-        <var file="whisk.properties" />
-
-        <!-- generate default.props in source directory.
-             someday this should be nuked - legacy of old process -->
-        <exec executable="/bin/bash" failonerror="true" output="${openwhisk.home}/tools/cli/default.props">
-            <arg line="'${openwhisk.home}/tools/cli/generateDefaultProps.sh'" />
-            <arg line="'${basedir}'" />
-        </exec>
-
-        <!-- copy files needed to build image to a scratch space -->
-        <mkdir dir="${cli.build.dir}" />
-        <!-- make a nested build dir to match gradle -->
-        <mkdir dir="${cli.build.dir}/build/tmp" />
-        <copy todir="${cli.build.dir}">
-            <fileset dir="${openwhisk.home}/tools/cli">
-                <include name="Dockerfile" />
-            </fileset>
-        </copy>
-        <copy todir="${cli.build.dir}/build/tmp">
-            <fileset dir="${openwhisk.home}/tools/cli/packagescripts" />
-        </copy>
-        <copy todir="${cli.build.dir}/build/tmp/openwhisk">
-            <fileset dir="${openwhisk.home}/tools/cli">
-                <include name="wsk" />
-                <include name="*.py" />
-            </fileset>
-        </copy>
-
-        <!-- generate default.props -->
-        <exec executable="/bin/bash" failonerror="true" output="${cli.build.dir}/build/tmp/openwhisk/default.props">
-            <arg line="'${openwhisk.home}/tools/cli/generateDefaultProps.sh'" />
-            <arg line="'${basedir'}" />
-        </exec>
-
-        <!-- Python packaging expects .py extensions. -->
-        <move file="${cli.build.dir}/build/tmp/openwhisk/wsk" tofile="${cli.build.dir}/build/tmp/openwhisk/wsk.py" />
-        <!-- Need this file in the right place so it looks like a Pyton package. -->
-        <move file="${cli.build.dir}/build/tmp/__init__.py" todir="${cli.build.dir}/build/tmp/openwhisk" />
-        <!-- build package for distribution -->
-        <exec executable="/bin/bash" failonerror="true">
-            <arg line="'${openwhisk.home}/tools/docker/dockerWithRetry.sh' ${docker.timeout.long}" />
-            <arg line="build -t whisk/cli '${cli.build.dir}'" />
-        </exec>
-        <exec executable="docker" failonerror="false" output="/dev/null" error="/dev/null">
-            <arg line="${docker.tls.cmd}" />
-            <arg line="rm -f cli" />
-        </exec>
-        <exec executable="docker" failonerror="true">
-            <arg line="${docker.tls.cmd}" />
-            <arg line="run -d --name cli whisk/cli" />
-        </exec>
-        <exec executable="docker" failonerror="true">
-            <arg line="${docker.tls.cmd}" />
-            <arg line="cp cli:/cli/dist '${cli.build.dir}'" />
-        </exec>
-        <exec executable="docker" failonerror="false">
-            <arg line="${docker.tls.cmd}" />
-            <arg line="rm -f cli" />
-        </exec>
-    </target>
-
-</project>