powerpc/boot: Drop unused dummy.c

The last use of dummy.c was dropped in commit 2bf118197cb4 ("[POWERPC]
Create a "wrapper" script and use it in arch/powerpc/boot").

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220819110556.434970-1-mpe@ellerman.id.au

diff --git a/arch/powerpc/boot/dummy.c b/arch/powerpc/boot/dummy.c
deleted file mode 100644 (file)
index 31dbf45..0000000
--- a/arch/powerpc/boot/dummy.c
+++ /dev/null
@@ -1,4 +0,0 @@
-int main(void)
-{
-       return 0;
-}