bloblist: test: Drop global_data declarations

This pointer is not used any more, so drop the declarations.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Tom Rini <trini@konsulko.com> # rpi_3, rpi_4, rpi_arm64, am64x_evm_a53, am64-sk
diff --git a/test/common/bloblist.c b/test/common/bloblist.c
index fd85c7a..7b90fa7 100644
--- a/test/common/bloblist.c
+++ b/test/common/bloblist.c
@@ -6,13 +6,10 @@
 #include <bloblist.h>
 #include <log.h>
 #include <mapmem.h>
-#include <asm/global_data.h>
 #include <test/suites.h>
 #include <test/test.h>
 #include <test/ut.h>
 
-DECLARE_GLOBAL_DATA_PTR;
-
 /* Declare a new bloblist test */
 #define BLOBLIST_TEST(_name, _flags) \
 		UNIT_TEST(_name, _flags, bloblist_test)