meta-google: remove zstd bbappend

This is no longer needed, the latest upstream version of the recipe has
added both of these by default:

https://gerrit.openbmc-project.xyz/c/openbmc/openbmc/+/52492/4/poky/meta/recipes-extended/zstd/zstd_1.5.2.bb

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: I01e4404ba1694c1f8f7436e4ccf52fae4b5eb156
diff --git a/meta-google/recipes-extended/zstd/zstd_%.bbappend b/meta-google/recipes-extended/zstd/zstd_%.bbappend
deleted file mode 100644
index 84c6e55..0000000
--- a/meta-google/recipes-extended/zstd/zstd_%.bbappend
+++ /dev/null
@@ -1,2 +0,0 @@
-PACKAGES =+ "lib${BPN}"
-FILES:lib${BPN} = "${libdir}/lib*${SOLIBS}"