Re/move unused scripts and add a new combined script

scripts/firmware-check-rb.rsc

@@ -0,0 +1,27 @@
+# Notify to upgrade RouterBoard firmware
+
+# requirement/s:
+#   policy: read, write, policy, test
+#   active internet
+#   $adminEmail
+
+:global adminEmail
+:if ([:typeof $adminEmail] = "nothing" || $adminEmail = "") do={
+  :log error "adminEmail is not defined or nil."; :error "Error: Check the log"; }
+
+:local oldVersion
+:local newVersion
+
+:log info "\nChecking for pending Routerboard firmware update..."
+
+/system routerboard
+  :set oldVersion [get current-firmware]
+  :set newVersion [get upgrade-firmware]
+
+:if ( $oldVersion != $newVersion ) do={
+  :log info "RouterBoard firmware can be upgraded from $oldVersion to $newVersion \n"
+  /tool e-mail send to="$adminEmail" subject="RouterBoard firmware upgrade!" \
+    body="An upgrade from $oldVersion to $newVersion is pending!"
+} else={
+  :log info "RouterBoard firmware is up to date."
+}