Remove duplicate COMPILE_DL_PHAR compile definition

This is already automatically defined in win32/build/confutils.js by the
EXTENSION() function.

Author: petk

ext/phar/config.w32

@@ -4,9 +4,6 @@ ARG_ENABLE("phar", "disable phar support", "yes");
 
 if (PHP_PHAR != "no") {
 	EXTENSION("phar", "dirstream.c func_interceptors.c phar.c phar_object.c phar_path_check.c stream.c tar.c util.c zip.c", PHP_PHAR_SHARED, "/DZEND_ENABLE_STATIC_TSRMLS_CACHE=1");
-	if (PHP_PHAR_SHARED) {
-		ADD_FLAG("CFLAGS_PHAR", "/D COMPILE_DL_PHAR ");
-	}
 
 	ADD_EXTENSION_DEP('phar', 'hash');
 	ADD_EXTENSION_DEP('phar', 'spl');