Cleanup

app/src/main/java/eu/faircode/email/Log.java

@@ -243,8 +243,6 @@ public class Log {
 
     public static native int jni_safe_log(int prio, String tag, String msg);
 
-    public static native boolean jni_safe_mkdirs(File file);
-
     public static native void jni_safe_write(OutputStream os, byte[] data);
 
     public static native long[] jni_safe_runtime_stats();

app/src/main/jni/fairemail.cc

@@ -65,15 +65,6 @@ Java_eu_faircode_email_ThrowableWrapper_jni_1get_1safe_1stack_1trace_1string(
     return (jstring) env->CallStaticObjectMethod(cls, mid, ex);
 }
 
-extern "C"
-JNIEXPORT jboolean JNICALL
-Java_eu_faircode_email_Log_jni_1safe_1mkdirs(JNIEnv *env, jclass clazz,
-                                             jobject file) {
-    jclass cls = env->FindClass("java/io/File");
-    jmethodID mid = env->GetMethodID(cls, "mkdirs", "()Z");
-    return (jboolean) env->CallBooleanMethod(file, mid);
-}
-
 extern "C"
 JNIEXPORT void JNICALL
 Java_eu_faircode_email_Log_jni_1safe_1write(JNIEnv *env, jclass clazz,