update example config files after parameter name change in !1899

cfg/multi-layer/two_layers.cfg

 #======== Layers ===============
 MaxLayers                     : 2
 MaxSublayers                  : 7
-AllLayersSameNumSublayersFlag : 0
+DefaultPtlDpbHrdMaxTidFlag    : 0
 AllIndependentLayersFlag      : 0
 #======== OLSs ===============
 EachLayerIsAnOlsFlag          : 0

cfg/multi-layer/two_layers_ELonlyILP.cfg

 #======== Layers ===============
 MaxLayers                     : 2
 MaxSublayers                  : 1
-AllLayersSameNumSublayersFlag : 0
+DefaultPtlDpbHrdMaxTidFlag    : 0
 AllIndependentLayersFlag      : 0
 AllowablePredDirection        : 1 1 1 1 1      # equal to 0 specifies the picture in the i-th temporal layer is allowed to use both inter-layer and intra-layer preditions
                                                # equal to 1 specifies the picture in the i-th temporal layer is allowed to use inter-layer predition only

cfg/multi-layer/two_layers_max_tid_ref_pic.cfg

@@ -4,7 +4,7 @@
 #======== Layers ===============
 MaxLayers                     : 2
 MaxSublayers                  : 7    # allow up to 7 temporal layers
-AllLayersSameNumSublayersFlag : 0
+DefaultPtlDpbHrdMaxTidFlag    : 0
 AllIndependentLayersFlag      : 0
 
 MaxTidILRefPicsPlus1          : 3    # don't use pictures with temoporal_id > 2 for inter-layer reference