removed updateStretch and replaced it wth entries from LandBenchmark, i.e....

removed updateStretch and replaced it wth entries from LandBenchmark, i.e. choose activeDeformation in config to decide if the update is only made in fibre directions or also in the others.

conf/coupled/gamm-paper/coarse-biventricle.conf

+activeDeformation = 1
 WithPrestress = true
 PrestressSteps = 1
 withPressure = 1
@@ -19,7 +20,6 @@ linearImplicitSolverCell = 1
 cell_values = 1
 deformConcentrationStretch = 1 #1
 withPressure = 0
-updateStretch = 1
 timeStepExtrapolation = 0
 DampExtrapolation = 0.5;
 Mesh = KovachevaBiventricle
@@ -109,8 +109,8 @@ MechMeshPart = vessel_base
 #TractionK = 0
 #TractionC = 0
 
-TractionK = 0.1
-TractionC = 5e-3
+TractionK = 0#0.1
+TractionC = 0#5e-3
 
 #------------------------
 # Stretch Parameters