try to resolve duplicates btween 29.229 and 29.329

The travelping diameter files appear to define a number of AVPs
originating in 29.229 in the 29.329 .dia file, let's try to
resolve this and avoid diameteerc complaining about AVPs being
defined in two locations.
diff --git a/dia/diameter_3gpp_ts29_329.dia b/dia/diameter_3gpp_ts29_329.dia
index f3ed483..8f588db 100644
--- a/dia/diameter_3gpp_ts29_329.dia
+++ b/dia/diameter_3gpp_ts29_329.dia
@@ -24,7 +24,7 @@
 @avp_types
 
    MSISDN                                701      OctetString     MV
-   User-Data                             702      OctetString     MV
+;; User-Data                             702      OctetString     MV
    Data-Reference                        703       Enumerated     MV
    Service-Indication                    704      OctetString     MV
    Subs-Req-Type                         705       Enumerated     MV
@@ -33,16 +33,16 @@
    Identity-Set                          708       Enumerated      V
    Expiry-Time                           709             Time      V
    Send-Data-Indication                  710       Enumerated      V
-   Server-Name                           602       UTF8String     MV
-;; Supported-Features                    628          Grouped      V
-   Feature-List-ID                       629       Unsigned32      V
-   Feature-List                          630       Unsigned32      V
-;; Supported-Applications                631          Grouped      V
-   Public-Identity                       601       UTF8String     MV
+;; Server-Name                           602       UTF8String     MV ;; 229
+;; Supported-Features                    628          Grouped      V ;; 229
+;; Feature-List-ID                       629       Unsigned32      V ;; 229
+;; Feature-List                          630       Unsigned32      V ;; 229
+;; Supported-Applications                631          Grouped      V ;; 229
+;; Public-Identity                       601       UTF8String     MV ;; 229
    DSAI-Tag                              711      OctetString     MV
-   Wildcarded-Public-Identity            634       UTF8String      V
-   Wildcarded-IMPU                       636       UTF8String      V
-   Session-Priority                      650       Enumerated      V
+;; Wildcarded-Public-Identity            634       UTF8String      V ;; 229
+;; Wildcarded-IMPU                       636       UTF8String      V ;; 229
+;; Session-Priority                      650       Enumerated      V ;; 229
    One-Time-Notification                 712       Enumerated      V
    Requested-Nodes                       713       Unsigned32      V
    Serving-Node-Indication               714       Enumerated      V