delete the period in delta manufacturer

Change-Id: I3bf13c1847d54a69dd4b0afd163bf16503c20573
diff --git a/drivers/default/src/main/resources/onos-drivers.xml b/drivers/default/src/main/resources/onos-drivers.xml
index 68aa498..edbcc85 100644
--- a/drivers/default/src/main/resources/onos-drivers.xml
+++ b/drivers/default/src/main/resources/onos-drivers.xml
@@ -139,7 +139,7 @@
 
     <!-- OFDPA drivers from vendors -->
     <driver name="delta-ofdpa3" extends="ofdpa3"
-            manufacturer="Delta Electronics\." hwVersion=".*" swVersion="ofdpa .*">
+            manufacturer="Delta Electronics" hwVersion=".*" swVersion="ofdpa .*">
     </driver>
 
     <driver name="znyx-ofdpa" extends="ofdpa3"