Remove install of uniffi-bindgen in CI workflow (#65)

.github/workflows/test.yaml

@@ -35,9 +35,6 @@ jobs:
       - name: Install rust android targets
         run: rustup target add x86_64-linux-android aarch64-linux-android armv7-linux-androideabi
 
-      - name: Install uniffi-bindgen
-        run: cargo install uniffi_bindgen --version 0.16.0
-
       - name: Build bdk-android library
         run: ./gradlew :android:buildAndroidLib