manifest updates from the Flathub's PR (#9581)

Signed-off-by: dmitry <43372966+besdar@users.noreply.github.com>

flatpak/xdotool.json

@@ -1,15 +0,0 @@
-{
-    "name": "xdotool",
-    "buildsystem": "simple",
-    "build-commands": [
-        "make -j4 && PREFIX=./build make install",
-        "cp -r ./build/*  /app/"
-    ],
-    "sources": [
-        {
-            "type": "archive",
-            "url": "https://github.com/jordansissel/xdotool/releases/download/v3.20211022.1/xdotool-3.20211022.1.tar.gz",
-            "sha256": "96f0facfde6d78eacad35b91b0f46fecd0b35e474c03e00e30da3fdd345f9ada"
-        }
-    ]
-}