scripts: common: Remove INSTALL_MASK definition

BUG=b:241001394
TEST=CQ

Cq-Depend: chromium:3803792
Change-Id: I49ed55f909739a266dc85333c2e7af5c21ce2f06
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/3803776
Commit-Queue: Ram Chandrasekar <rchandrasekar@google.com>
Auto-Submit: Ram Chandrasekar <rchandrasekar@google.com>
Tested-by: Ram Chandrasekar <rchandrasekar@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
diff --git a/common.sh b/common.sh
index 6de1573..e147bb8 100644
--- a/common.sh
+++ b/common.sh
@@ -326,101 +326,6 @@
 CHROMEOS_FACTORY_INSTALL_SHIM_NAME="factory_install_shim.bin"
 SYSROOT_SETTINGS_FILE="/var/cache/edb/chromeos"
 
-# Install mask for portage ebuilds.  Used by build_image and gmergefs.
-# TODO: Is /usr/local/autotest-chrome still used by anyone?
-COMMON_INSTALL_MASK="
-  *.a
-  *.c
-  *.cc
-  *.cmake
-  *.go
-  *.la
-  *.h
-  *.hh
-  *.hpp
-  *.h++
-  *.hxx
-  *.proto
-  */.keep*
-  /build/bin
-  /build/initramfs
-  /build/libexec/tast
-  /build/manatee
-  /build/rootfs/dlc
-  /build/share
-  /etc/init.d
-  /etc/runlevels
-  /etc/selinux/intermediates
-  /etc/xinetd.d
-  /firmware
-  /lib/modules/*/vdso
-  /lib/rc
-  /opt/google/containers/android/vendor/lib*/pkgconfig
-  /opt/google/containers/android/build
-  /usr/bin/*-config
-  /usr/bin/Xnest
-  /usr/bin/Xvfb
-  /usr/include
-  /usr/lib/cros_rust_registry
-  /usr/lib/debug
-  /usr/lib/gopath
-  /usr/lib*/pkgconfig
-  /usr/local/autotest-chrome
-  /usr/man
-  /usr/share/aclocal
-  /usr/share/applications
-  /usr/share/cups/drv
-  /usr/share/doc
-  /usr/share/gettext
-  /usr/share/gtk-2.0
-  /usr/share/gtk-doc
-  /usr/share/info
-  /usr/share/man
-  /usr/share/ppd
-  /usr/share/openrc
-  /usr/share/pkgconfig
-  /usr/share/profiling
-  /usr/share/readline
-  /usr/src
-  "
-
-# Mask for base, dev, and test images (build_image, build_image --test)
-DEFAULT_INSTALL_MASK="
-  ${COMMON_INSTALL_MASK}
-  /boot/config-*
-  /boot/System.map-*
-  /usr/local/build/autotest
-  /lib/modules/*/build
-  /lib/modules/*/source
-  test_*.ko
-  "
-
-# Mask for factory install shim (build_image factory_install)
-FACTORY_SHIM_INSTALL_MASK="
-  ${DEFAULT_INSTALL_MASK}
-  /opt/google/chrome
-  /opt/google/containers
-  /opt/google/vms
-  /usr/lib64/dri
-  /usr/lib/dri
-  /usr/share/X11
-  /usr/share/chromeos-assets/[^i]*
-  /usr/share/chromeos-assets/i[^m]*
-  /usr/share/fonts
-  /usr/share/locale
-  /usr/share/mime
-  /usr/share/oem
-  /usr/share/sounds
-  /usr/share/tts
-  /usr/share/zoneinfo
-  "
-
-# Mask for images without systemd.
-SYSTEMD_INSTALL_MASK="
-  /lib/systemd/network
-  /usr/lib/systemd/system
-"
-
 # -----------------------------------------------------------------------------
 # Functions