[Initiatives.wiki] Update App Metadata

[Tobias Bernard <tbernard src gnome org>]

commit faf11c4cd937ff04d9491f71e50338c4535c34c9
Author: Tobias Bernard <tbernard gnome org>
Date:   Sun Aug 29 15:42:35 2021 +0000

    Update App Metadata

 App-Metadata.md | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/App-Metadata.md b/App-Metadata.md
index 17e720d..e6e4089 100644
--- a/App-Metadata.md
+++ b/App-Metadata.md
@@ -83,7 +83,6 @@ Avoid:
 **TODO: I don't know of any specification for this.**
 
 General guidance:
-- Only add key-colors if the automatically detected colors in tools (e.g. Software or Apps for GNOME) using 
this feature are not adequate
 - Provide a color with sufficient contrast to the app icon as the first entry
 - Provide at least one additional color that has [good 
contrast](https://flathub.org/apps/details/org.gnome.design.Contrast) to the first color entry