Switch devenv to use pkg packages

ports/bzip2/build.sh

 # Copyright (c) 2011 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 BUILD_DIR=${SRC_DIR}
 EXECUTABLES="bzip2"
 
 NACLPORTS_CFLAGS+=" -Dmain=nacl_main -fPIC"
 NACLPORTS_LDFLAGS+=" ${NACL_CLI_MAIN_LIB}"
 
@@ skipping 27 matching lines @@
   LogExecute cp -f bzip2 ${DESTDIR}${PREFIX}/bin
   LogExecute chmod a+r ${DESTDIR_INCLUDE}/bzlib.h
 
   LogExecute cp -f libbz2.a ${DESTDIR_LIB}
   if [ -f libbz2.so.1.0 ]; then
     LogExecute ln -s libbz2.so.1.0 libbz2.so
     LogExecute cp -af libbz2.so* ${DESTDIR_LIB}
   fi
   LogExecute chmod a+r ${DESTDIR_LIB}/libbz2.*
 }
-
-PublishStep() {
-  # TODO(bradnelson): Figure out why the newlib version gets:
-  # Function not implemented
-  # when compressing with the bzip2 command-line tool.
-  PublishByArchForDevEnv
-}