cleanup: Remove the local_manifest.xml file that isn't used

This file was a remnant from a previous experiment. We can safely remove this.

Change-Id: I354e2a190f7c619252f11ed770592bebc12674d2
diff --git a/local_manifest.xml b/local_manifest.xml
deleted file mode 100644
index 8b72e01..0000000
--- a/local_manifest.xml
+++ /dev/null
@@ -1,47 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<!--
-This local manifest includes overrides to make repo use https rather than sso
-URLs for fetching internal projects we cannot release. Unfortunately, this is
-required until we can get off of the internal build systems.
--->
-
-<manifest>
-    <remote fetch="https://coral.googlesource.com" name="coral"
-            review="https://coral-review.googlesource.com" />
-    <remote fetch="https://aiyprojects.googlesource.com" name="internal"
-            review="https://aiyprojects-review.googlesource.com" />
-
-    <remove-project name="a71ch-crypto-support" />
-    <remove-project name="a71ch-crypto-support-package" />
-    <remove-project name="imx-gpu-viv" />
-    <remove-project name="imx-gpu-viv-debian" />
-    <remove-project name="imx-vpu-hantro" />
-    <remove-project name="imx-vpu-hantro-debian" />
-    <remove-project name="imx-vpuwrap" />
-    <remove-project name="imx-vpuwrap-debian" />
-    <remove-project name="kokoro-enterprise" />
-
-    <project path="a71ch-crypto-support" name="a71ch-crypto-support"
-      groups="notdefault,internal" remote="internal" />
-    <project path="packages/a71-crypto-support" name="a71ch-crypto-support-package"
-      groups="notdefault,internal" remote="internal" />
-
-    <project name="imx-gpu-viv" path="imx-gpu-viv" revision="source"
-      groups="notdefault,internal" remote="internal" />
-    <project name="imx-gpu-viv-debian" path="packages/imx-gpu-viv"
-      groups="notdefault,internal" remote="internal" />
-
-    <project name="imx-vpu-hantro" path="imx-vpu-hantro"
-      groups="notdefault,internal" remote="internal" />
-    <project name="imx-vpu-hantro-debian" path="packages/imx-vpu-hantro"
-      groups="notdefault,internal" remote="internal" />
-
-    <project name="imx-vpuwrap" path="imx-vpuwrap"
-      groups="notdefault,internal" remote="internal" />
-    <project name="imx-vpuwrap-debian" path="packages/imx-vpuwrap"
-      groups="notdefault,internal" remote="internal" />
-
-    <project name="kokoro-enterprise" path="kokoro"
-      groups="notdefault,internal" remote="internal" revision="master" />
-</manifest>