meta-quanta: meta-gsj: Cleanup for Yocto override syntax change

Cleanup with
```
convert-overrides.py meta-quanta/meta-gsj

git grep "_[a-z0-9_/-]*[ :]" -- meta-quanta/meta-gsj

git grep -l _gsj -- meta-quanta/meta-gsj \
  | xargs sed -i 's/_gsj/:gsj/'
```

Note:
Need to revert the change to BBFILE_PATTERN and LAYERSERIES_COMPAT.

After cleanup
```
$ git grep "_[a-z0-9_/-]*[ :]" -- meta-quanta/meta-gsj/ | grep '.bb'
meta-quanta/meta-gsj/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_%.bbappend:do_install:append:gsj () {
meta-quanta/meta-gsj/recipes-google/ipmi/google-ipmi-sys_%.bbappend:do_install:append:gsj() {
meta-quanta/meta-gsj/recipes-gsj/detect-fan-fail/detect-fan-fail.bb:do_install:append:gsj() {
meta-quanta/meta-gsj/recipes-gsj/quanta-nvme-powerctrl/quanta-nvme-powerctrl.bb:do_install () {
meta-quanta/meta-gsj/recipes-phosphor/fans/phosphor-pid-control_%.bbappend:do_install:append:gsj() {
meta-quanta/meta-gsj/recipes-quanta/network/mac-address_%.bbappend:do_install:append:gsj() {
```

Change-Id: I058371ed32214d665aaaf616a650c2efeaf5be66
Signed-off-by: Willy Tu <wltu@google.com>
diff --git a/meta-quanta/meta-gsj/conf/machine/gsj.conf b/meta-quanta/meta-gsj/conf/machine/gsj.conf
index b0d508e..cef4e89 100644
--- a/meta-quanta/meta-gsj/conf/machine/gsj.conf
+++ b/meta-quanta/meta-gsj/conf/machine/gsj.conf
@@ -20,7 +20,7 @@
         obmc-bmc-state-mgmt \
         "
 # Remove unneeded binaries from image
-IMAGE_FEATURES_remove = "obmc-debug-collector"
+IMAGE_FEATURES:remove = "obmc-debug-collector"
 
 PREFERRED_PROVIDER_virtual/obmc-chassis-mgmt = "packagegroup-gsj-apps"
 PREFERRED_PROVIDER_virtual/obmc-fan-mgmt = "packagegroup-gsj-apps"