Remove CFLAG crap

--- mbuffer-20050125/configure
+++ mbuffer-20050125/configure
@@ -23,13 +23,2 @@
 
-if test -n "$GCC"; then
-        CFLAGS="$CFLAGS -Wall"
-        case "$target_cpu" in
-                i586*)
-                CFLAGS="$CFLAGS -march=pentium"
-                ;;
-                i686*)
-                CFLAGS="$CFLAGS -march=pentiumpro"
-                ;;
-        esac
-fi