update lambda definition according to new code

Two-phase-Richards/two-patch/TP-R-two-patch-test-case/TP-R-2-patch-test.py

@@ -184,10 +184,8 @@ L = {#
 
 lambda_param = {#
 # subdom_num : lambda parameter for the L-scheme
-    1 : {'wetting' :lambda_w,
+    0 : {'wetting' :lambda_w,
          'nonwetting': lambda_nw},#
-    2 : {'wetting' :lambda_w,
-         'nonwetting': lambda_nw}
 }
 
 ## relative permeabilty functions on subdomain 1

Two-phase-Richards/two-patch/TP-R-two-patch-test-case/TP-R-2-realistic-parameters-densities-scaled.py

@@ -190,10 +190,8 @@ L = {#
 
 lambda_param = {#
 # subdom_num : lambda parameter for the L-scheme
-    1 : {'wetting' :lambda_w,
+    0 : {'wetting' :lambda_w,
          'nonwetting': lambda_nw},#
-    2 : {'wetting' :lambda_w,
-         'nonwetting': lambda_nw}
 }
 
 # intrinsic_permeability = {