Shrink rootfs after y2020 game

We aren't running python code anymore.  This shrinks flashing time
significantly.

Change-Id: I54aa7f90c05383c487deff0bd8c2f465f2ef0c55
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/y2020/vision/rootfs/modify_rootfs.sh b/y2020/vision/rootfs/modify_rootfs.sh
index f08e635..ae1e493 100755
--- a/y2020/vision/rootfs/modify_rootfs.sh
+++ b/y2020/vision/rootfs/modify_rootfs.sh
@@ -44,7 +44,7 @@
 else
   OFFSET="$(/sbin/fdisk -lu "${IMAGE}" | grep "${IMAGE}2" | awk '{print 512*$2}')"
 
-  if [[ "$(stat -c %s "${IMAGE}")" < 3000000000 ]]; then
+  if [[ "$(stat -c %s "${IMAGE}")" < 2000000000 ]]; then
     echo "Growing image"
     dd if=/dev/zero bs=1G count=1 >> "${IMAGE}"
     START="$(/sbin/fdisk -lu "${IMAGE}" | grep "${IMAGE}2" | awk '{print $2}')"
diff --git a/y2020/vision/rootfs/target_configure.sh b/y2020/vision/rootfs/target_configure.sh
index 11b8cc8..e36a940 100755
--- a/y2020/vision/rootfs/target_configure.sh
+++ b/y2020/vision/rootfs/target_configure.sh
@@ -38,23 +38,9 @@
   libopencv-videostab3.2 \
   libopencv-viz3.2 \
   python3-opencv \
-  python3-matplotlib \
-  gstreamer1.0-plugins-bad \
-  gstreamer1.0-plugins-base \
-  gstreamer1.0-plugins-good \
-  gstreamer1.0-plugins-ugly \
-  gstreamer1.0-x \
-  gstreamer1.0-nice \
-  gstreamer1.0-gl \
-  libgstreamer-plugins-bad1.0-0 \
-  libgstreamer-plugins-base1.0-0 \
-  libgstreamer1.0-0 \
-  libgstreamer-gl1.0-0 \
   libnice10 \
   libnice-dev
 
-python3 -m pip install glog
-
 echo 'GOVERNOR="performance"' > /etc/default/cpufrequtils
 
 # Add a .bashrc and friends for root.