Added RubbbbiconMD SKU and updated SIGGNIGFY. Fixed some SKU mismatch bugs

.env.example

@@ -120,20 +120,10 @@ OAKSTREET_RETURN_CITY=Lewisville
 OAKSTREET_RETURN_STATE=TX
 OAKSTREET_RETURN_ZIP=75067
 
-# RubiconMD - Oak Street subsidiary (RMD-prefixed SKUs). Still needs its
-# real Carrier ID/Service Code (its own UPS account, not Oak Street's) -
-# address defaults to the same shared warehouse, just under its own name,
-# since that's the only difference confirmed so far. Change the address if
-# it actually ships from somewhere else.
-RUBICONMD_RETURN_CARRIER_ID=
-RUBICONMD_RETURN_SERVICE_CODE=
+# RubiconMD - Oak Street subsidiary (RMD-prefixed SKUs). Uses Oak Street's
+# own shipping account/address in every respect - this is the one thing
+# that's actually different, the name shown on the return label.
 RUBICONMD_RETURN_NAME=Rubicon MD
-RUBICONMD_RETURN_PHONE=
-RUBICONMD_RETURN_ADDRESS1=1000 Spinks Road Suite 100
-RUBICONMD_RETURN_ADDRESS2=
-RUBICONMD_RETURN_CITY=Lewisville
-RUBICONMD_RETURN_STATE=TX
-RUBICONMD_RETURN_ZIP=75067
 
 # --- Packing ---
 # Serial-number fields to suggest per device keyword found in a ticket's line