Switch to F30 runtime and sources

Also, while at this, stop building wxGTK3 as it's part of flatpak-common
now.

0ad.yaml

@@ -17,13 +17,13 @@ data:
     - MIT
   dependencies:
   - buildrequires:
-      flatpak-common: [f29]
-      flatpak-runtime: [f29]
-      platform: [f29]
+      flatpak-common: [f30]
+      flatpak-runtime: [f30]
+      platform: [f30]
     requires:
-      flatpak-common: [f29]
-      flatpak-runtime: [f29]
-      platform: [f29]
+      flatpak-common: [f30]
+      flatpak-runtime: [f30]
+      platform: [f30]
   profiles:
     default:
       rpms:
@@ -32,29 +32,26 @@ data:
     rpms:
       0ad:
         rationale: Application package
-        ref: f29
+        ref: f30
         buildorder: 10
       0ad-data:
         rationale: Runtime dependency
-        ref: f29
+        ref: f30
       enet:
         rationale: Runtime dependency
-        ref: f29
+        ref: f30
       gloox:
         rationale: Runtime dependency
-        ref: f29
+        ref: f30
       libsodium:
         rationale: Runtime dependency
-        ref: f29
+        ref: f30
       miniupnpc:
         rationale: Runtime dependency
-        ref: f29
+        ref: f30
       mozjs38:
         rationale: Runtime dependency
-        ref: f29
+        ref: f30
       nvidia-texture-tools:
         rationale: Runtime dependency
-        ref: f29
-      wxGTK3:
-        rationale: Flatpak application runtime dependency
-        ref: f29
+        ref: f30