Remove non working cleanup

This step was introduced with 350de12
and then changed later on so now it doesn't work anymore properly.

Author: petk

build/php.m4

@@ -138,9 +138,6 @@ AC_REQUIRE([PHP_CANONICAL_HOST_TARGET])dnl
 test -d include || $php_shtool mkdir include
 > Makefile.objects
 > Makefile.fragments
-dnl We need to play tricks here to avoid matching the grep line itself.
-pattern=define
-$EGREP $pattern'.*include/php' $srcdir/configure|$SED 's/.*>//'|xargs touch 2>/dev/null
 ])
 
 dnl