README: remove screenshot and reference to WIP

Config.cmake

@@ -18,7 +18,7 @@ set(PROJECT_REPOSITORY_BRANCH  "master")
 set(PROJECT_HOMEPAGE_URL       ${PROJECT_REPOSITORY_URL}) # TODO: "https://${PROJECT_ORGANIZATION_URL}/${PROJECT_ID}"
 set(PROJECT_SPDX_ID            "GPL-2.0-only")
 set(PROJECT_TRANSLATIONS_DIR   "${CMAKE_SOURCE_DIR}/data/translations")
-set(PROJECT_SCREENSHOT_URL     "https://github-production-user-asset-6210df.s3.amazonaws.com/1019119/294060534-84ef3747-f336-444e-9e2c-9a417ebe67e5.png")
+set(PROJECT_SCREENSHOT_URL     "")
 #===============================================================================
 # Appstream
 #===============================================================================

README.md

@@ -2,14 +2,7 @@
 
 [![CI]](https://github.com/labwc/labwc-tweaks/actions/workflows/build.yml)
 
-This is a [WIP] configuration gui app for labwc without any real plan or
-Acceptance Criteria. It was merely written to help change themes for the
-purposes of testing labwc during development. Don't expect too much :smile:
-
-<img src="https://github-production-user-asset-6210df.s3.amazonaws.com/1019119/294060534-84ef3747-f336-444e-9e2c-9a417ebe67e5.png" />
-
-If you install labwc-gtktheme.py and set labwc-theme to GTK it'll
-automatically sync with the selected GTK theme.
+This is a GUI 'Settings' application for labwc.
 
 ### dependencies