main/php: remove 5.3 related link in post-install

(cherry picked from commit 33e57ec4)

main/php/APKBUILD

@@ -8,7 +8,7 @@ pkgdesc="The PHP language runtime engine"
 url="http://www.php.net/"
 license="PHP-3"
 depends=
-install="$pkgname.post-upgrade"
+install=
 makedepends="pcre-dev libxml2-dev libiconv-dev openssl-dev zlib-dev bzip2-dev
 	curl-dev libpng-dev jpeg-dev freetype-dev libmcrypt-dev mysql-dev
 	sqlite-dev libtool libltdl postgresql-dev db-dev unixodbc-dev icu-dev

main/php/php.post-upgrade

-#!/bin/sh
-
-new=$1
-old=$2
-
-if [ "$(apk version -t $old 5.3)" = "<" ]; then
-	echo "*"
-	echo "* Please see migration notes here: http://php.net/migration53"
-	echo "*"
-fi
-