Remove code tagged as "can be removed after Icehouse"

Change-Id: Ib78f3d55c9dcd46e0dfc3343c32e077cf530b5f7

lib/stackforge

@@ -35,10 +35,6 @@ PECAN_DIR=$DEST/pecan
 
 # install_stackforge() - Collect source and prepare
 function install_stackforge {
-    # TODO(sdague): remove this once we get to Icehouse, this just makes
-    # for a smoother transition of existing users.
-    cleanup_stackforge
-
     git_clone $WSME_REPO $WSME_DIR $WSME_BRANCH
     setup_package $WSME_DIR
 
@@ -46,20 +42,6 @@ function install_stackforge {
     setup_package $PECAN_DIR
 }
 
-# cleanup_stackforge() - purge possibly old versions of stackforge libraries
-function cleanup_stackforge {
-    # this means we've got an old version installed, lets get rid of it
-    # otherwise python hates itself
-    for lib in wsme pecan; do
-        if ! python -c "import $lib" 2>/dev/null; then
-            echo "Found old $lib... removing to ensure consistency"
-            local PIP_CMD=$(get_pip_command)
-            pip_install $lib
-            sudo $PIP_CMD uninstall -y $lib
-        fi
-    done
-}
-
 # Restore xtrace
 $XTRACE