remove LOG_MATRIC option from sample global parameter file

Author: Joe Hamman

samples/global.param.sample

@@ -107,9 +107,6 @@ FROZEN_SOIL	FALSE	# TRUE = calculate frozen soils.  Default = FALSE.
 # Generally these default values do not need to be overridden
 #######################################################################
 #CONTINUEONERROR	TRUE	# TRUE = if simulation aborts on one grid cell, continue to next grid cell
-#LOG_MATRIC	FALSE	# TRUE = use the linear interpolation of the logarithm of the matric potential
-                        # from the two surrounding layers to estimate the soil moisture drainage from each
-                        # layer (Boone and Wetzel, 1996).
 
 #######################################################################
 # State Files and Parameters