Update to GNOME 43 runtime (#51)

Author: oscfdezdz

com.github.lachhebo.Gabtag.Devel.json

@@ -1,7 +1,7 @@
 {
     "id": "com.github.lachhebo.Gabtag.Devel",
     "runtime": "org.gnome.Platform",
-    "runtime-version": "42",
+    "runtime-version": "43",
     "sdk": "org.gnome.Sdk",
     "command": "gabtag",
     "finish-args": [
@@ -66,53 +66,6 @@
                 }
             ]
         },
-        {
-            "name": "libsass",
-            "sources": [
-                {
-                    "type" : "archive",
-                    "url" : "https://github.com/sass/libsass/archive/3.6.5.tar.gz",
-                    "sha256": "89d8f2c46ae2b1b826b58ce7dde966a176bac41975b82e84ad46b01a55080582"
-                },
-                {
-                    "type" : "script",
-                    "dest-filename" : "autogen.sh",
-                    "commands" : [ "autoreconf -si" ]
-                }
-            ]
-        },
-        {
-            "name": "sassc",
-            "sources": [
-                {
-                    "type" : "archive",
-                    "url" : "https://github.com/sass/sassc/archive/3.6.2.tar.gz",
-                    "sha256": "608dc9002b45a91d11ed59e352469ecc05e4f58fc1259fc9a9f5b8f0f8348a03"
-                },
-                {
-                    "type" : "script",
-                    "dest-filename" : "autogen.sh",
-                    "commands" : [ "autoreconf -si" ]
-                }
-            ]
-        },
-        {
-            "name" : "libadwaita",
-            "buildsystem": "meson",
-            "config-opts" : [
-                "-Dvapi=true",
-                "-Dgtk_doc=false",
-                "-Dexamples=false",
-                "-Dtests=false"
-            ],
-            "sources" : [
-                {
-                    "type" : "git",
-                    "url" : "https://gitlab.gnome.org/GNOME/libadwaita.git",
-                    "branch" : "main"
-                }
-            ]
-        },
         {
             "name": "gabtag",
             "buildsystem": "meson",