py-scrapy: removed unnecessary permissions change

git-svn-id: https://svn.macports.org/repository/macports/trunk/dports@92916 d073be05-634f-4543-b044-5fe20cf6d1d6

python/py-scrapy/Portfile

@@ -29,10 +29,6 @@ python.default_version 27
 if {$subport != $name} {
     depends_build-append    port:py${python.version}-distribute
     depends_lib-append      port:py${python.version}-lxml port:py${python.version}-twisted
-    
-    pre-activate {
-        system "find ${destroot} -perm 600 -type f -exec chmod 644 {} \\;"
-    }
 }
 
 livecheck.regex         {>Scrapy (.+) :}