meta-google: gbmc-log-ramoops: Delete pstore files after consumption

Otherwise, subsequent reboots will still have the file.

Change-Id: I16eed02d615759e785b978aef9550b203ae01090
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meta-google/recipes-google/systemd/files/gbmc-log-ramoops.service b/meta-google/recipes-google/systemd/files/gbmc-log-ramoops.service
index 474ed6f..27aba05 100644
--- a/meta-google/recipes-google/systemd/files/gbmc-log-ramoops.service
+++ b/meta-google/recipes-google/systemd/files/gbmc-log-ramoops.service
@@ -2,7 +2,7 @@
 Type=oneshot
 SyslogIdentifier=gbmc-log-ramoops
 SyslogLevelPrefix=true
-ExecStart=/usr/bin/find /sys/fs/pstore -name '*-*' -print -exec cat {} \;
+ExecStart=/usr/bin/find /sys/fs/pstore -name '*-*' -print -exec cat {} \; -exec rm -f {} \;
 
 [Install]
 WantedBy=multi-user.target