Remove commented flags

The aim is to fix this build failure:
aclocal: error: non-option arguments are not accepted: '#-I'.
aclocal: Try '/usr/bin/aclocal --help' for more information.
autoreconf: aclocal failed with exit status: 1

Instead of trying to comment it, just remove the line

Signed-off-by: Arnaud Patard <rtp@mageia.org>

Index: cryptmount-4.3/Makefile.am
===================================================================
--- cryptmount-4.3.orig/Makefile.am
+++ cryptmount-4.3/Makefile.am
@@ -2,7 +2,6 @@
 # RW Penney, November 2005
 
 AM_CPPFLAGS=-DCM_CONFIG_DIR="\"$(etcdir)\"" -DCM_MODULE_DIR="\"$(pkglibdir)\""
-ACLOCAL_AMFLAGS = #-I m4
 bin_PROGRAMS=cryptmount
 cryptmount_SOURCES=cryptmount.c cryptmount.h \
 	armour.c armour.h \