nds32: Remove the architecture

As removal of nds32 has been ack'd for the Linux kernel, remove support
here as well.

Cc: Rick Chen <rick@andestech.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Rick Chen <rick@andestech.com>
diff --git a/doc/git-mailrc b/doc/git-mailrc
index 410be38..63c2f6e 100644
--- a/doc/git-mailrc
+++ b/doc/git-mailrc
@@ -52,7 +52,7 @@
 alias priyankajain   Priyanka Jain <priyanka.jain@nxp.com>
 
 # Architecture aliases
-alias arch           arc, arm, m68k, microblaze, mips, nds32, nios2, powerpc, sandbox, superh, x86
+alias arch           arc, arm, m68k, microblaze, mips, nios2, powerpc, sandbox, superh, x86
 alias arches         arch
 
 alias arc            uboot, abrodkin
@@ -90,8 +90,6 @@
 
 alias mips           uboot, danielschwierzeck
 
-alias nds32          uboot, macpaul
-
 alias nios           uboot, Thomas Chou <thomas@wytron.com.tw>, smcnutt
 alias nios2          nios