OpenVPN for Android: remove 0.7.25 (179)

Outdated, failing build.

metadata/de.blinkt.openvpn.yml

@@ -489,23 +489,6 @@ Builds:
         =\ false/' build.gradle.kts
     ndk: r19c
 
-  - versionName: 0.7.25
-    versionCode: 179
-    commit: 858371c328bc6c60dec4b3b0ea7d7573d78d3e63
-    subdir: main
-    submodules: true
-    gradle:
-      - ui
-    rm:
-      - main/src/main/cpp/mbedtls/programs/fuzz
-      - main/src/main/cpp/mbedtls/tests
-      - main/src/main/cpp/openvpn3/test/unittests
-      - main/src/main/cpp/lz4/tmpsparse
-      - main/src/main/cpp/lz4/tmp
-    prebuild: sed -i -e '/signingConfigs.getByName/d' -e 's/isEnable\ =\ true/isEnable\
-        =\ false/' build.gradle.kts
-    ndk: r19c
-
   - versionName: 0.7.26
     versionCode: 180
     commit: aeae23169a270e083b1e560e33c6cfd33981c9f6