No need for AC_PREREQ in configure.ac: it's already in tcl.m4

Author: jan.nijtmans

configure.ac

@@ -20,7 +20,6 @@ dnl	to configure the system for the local environment.
 #-----------------------------------------------------------------------
 
 AC_INIT([sample],[0.6])
-AC_PREREQ([2.69])
 
 #--------------------------------------------------------------------
 # Call TEA_INIT as the first TEA_ macro to set up initial vars.