meta-aspeed: g5: drop redundant tune include

Anyone using OE-core after 95823b7eab is using the OE-core provided tune
and not ours.  Drop our redundant tune file.

Change-Id: I3b8fa6287044fa73f1964d412771c20ab4e84be9
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/conf/machine/include/tune-arm1176jz-s.inc b/conf/machine/include/tune-arm1176jz-s.inc
deleted file mode 100644
index 5216533..0000000
--- a/conf/machine/include/tune-arm1176jz-s.inc
+++ /dev/null
@@ -1,11 +0,0 @@
-DEFAULTTUNE ?= "armv6t-novfp"
-
-require conf/machine/include/arm/arch-armv6.inc
-
-TUNEVALID[arm1176jzs] = "Enable arm1176jzs specific processor optimizations"
-TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "arm1176jzs", "-mtune=arm1176jz-s", "", d)}"
-
-AVAILTUNES += "arm1176jzs"
-ARMPKGARCH_tune-arm1176jzs = "${ARMPKGARCH_tune-armv6t-novfp}"
-TUNE_FEATURES_tune-arm1176jzs = "${TUNE_FEATURES_tune-armv6t-novfp} arm1176jzs"
-PACKAGE_EXTRA_ARCHS_tune-arm1176jzs = "${PACKAGE_EXTRA_ARCHS_tune-armv6t-novfp}"