manifest: electric-eel manifest cannot contain itself as a project

Remove electric-eel from projects section of manifest. electric-eel
project is implied from the 'self' section.
Fixes MALFORMED manifest file error when running west init with url

BUG=None
TEST=west init -m <electric-eel url>
     west update

Signed-off-by: Al Semjonovs <asemjonovs@google.com>
Change-Id: Ib483863d181caa016916294616b951deedf956ae
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/electric-eel/+/4021127
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>

west.yml

diff --git a/west.yml b/west.yml
index 81c82d1..dd8b53f 100644
--- a/west.yml
+++ b/west.yml
@@ -1,18 +1,15 @@
 manifest:
+  self:
+    path: electric-eel
+
   remotes:
     - name: chromium
       url-base: https://chromium.googlesource.com/chromiumos
+
     - name: cros_fw
       url-base: sso://user/asemjonovs
 
   projects:
-    - name: electric-eel
-      remote: chromium
-      repo-path: platform/electric-eel
-      revision: main
-      path: electric-eel
-      clone-depth: 500
-
     - name: scripts
       remote: cros_fw
       repo-path: cros_fw