version numbers are on project-level now

no need to change them for every target any longer \o/
see #2265 and #2266

RELEASE.md

@@ -32,12 +32,9 @@ then, create a "bump-to-VERSION" PR:
 
 in Xcode:
 
-5. a) adapt version ("View/Navigators/Project/deltachat-ios",
-      target "deltachat-ios", then "General/Version")
-   b) increase the build number in the same dialog
-   c) navigate to "DcShare / Build Settings / Versioning"
-      and adapt "Marketing Version" and "Current Project Version"
-   d) same for "DcNotificationService"
+5. bump "Marketing Version" and "Current Project Version"
+   ("View/Navigators/Project/deltachat-ios",
+   project "deltachat-ios", then "Build Settings/Versioning")
 
 6. a) select "Any iOS Device (arm64)" in the toolbar
    b) select menu "Product/Archive"