libhydra: Remove empty unused library

src/frontends/android/app/src/main/java/org/strongswan/android/logic/CharonVpnService.java

@@ -848,7 +848,6 @@ public class CharonVpnService extends VpnService implements Runnable
 				System.loadLibrary("imcv");
 			}
 
-			System.loadLibrary("hydra");
 			System.loadLibrary("charon");
 			System.loadLibrary("ipsec");
 		}

src/frontends/android/app/src/main/jni/Android.mk

@@ -71,7 +71,6 @@ strongswan_BUILD := \
 	libandroidbridge \
 	strongswan/src/libipsec \
 	strongswan/src/libcharon \
-	strongswan/src/libhydra \
 	strongswan/src/libstrongswan
 
 ifneq ($(strongswan_USE_BYOD),)

src/frontends/android/app/src/main/jni/libandroidbridge/Android.mk

@@ -25,7 +25,6 @@ endif
 
 LOCAL_C_INCLUDES += \
 	$(strongswan_PATH)/src/libipsec \
-	$(strongswan_PATH)/src/libhydra \
 	$(strongswan_PATH)/src/libcharon \
 	$(strongswan_PATH)/src/libstrongswan
 
@@ -54,7 +53,7 @@ LOCAL_PRELINK_MODULE := false
 
 LOCAL_LDLIBS := -llog
 
-LOCAL_SHARED_LIBRARIES := libstrongswan libhydra libipsec libcharon
+LOCAL_SHARED_LIBRARIES := libstrongswan libipsec libcharon
 
 ifneq ($(strongswan_USE_BYOD),)
 LOCAL_SHARED_LIBRARIES += libimcv libtncif libtnccs

src/frontends/android/app/src/main/jni/libandroidbridge/android_jni.c

@@ -37,7 +37,6 @@ static struct {
 	{ "libtnccs.so", NULL },
 	{ "libimcv.so", NULL },
 #endif
-	{ "libhydra.so", NULL },
 	{ "libcharon.so", NULL },
 	{ "libipsec.so", NULL },
 };

src/frontends/android/app/src/main/jni/libandroidbridge/charonservice.c

@@ -35,7 +35,6 @@
 #endif
 
 #include <daemon.h>
-#include <hydra.h>
 #include <ipsec.h>
 #include <library.h>
 #include <threading/thread.h>
@@ -606,17 +605,9 @@ JNI_METHOD(CharonVpnService, initializeCharon, jboolean,
 	set_options(logfile);
 	free(logfile);
 
-	if (!libhydra_init())
-	{
-		libhydra_deinit();
-		library_deinit();
-		return FALSE;
-	}
-
 	if (!libipsec_init())
 	{
 		libipsec_deinit();
-		libhydra_deinit();
 		library_deinit();
 		return FALSE;
 	}
@@ -625,7 +616,6 @@ JNI_METHOD(CharonVpnService, initializeCharon, jboolean,
 	{
 		libcharon_deinit();
 		libipsec_deinit();
-		libhydra_deinit();
 		library_deinit();
 		return FALSE;
 	}
@@ -657,7 +647,6 @@ JNI_METHOD(CharonVpnService, initializeCharon, jboolean,
 		libcharon_deinit();
 		charonservice_deinit(env);
 		libipsec_deinit();
-		libhydra_deinit();
 		library_deinit();
 		return FALSE;
 	}
@@ -687,7 +676,6 @@ JNI_METHOD(CharonVpnService, deinitializeCharon, void)
 	libcharon_deinit();
 	charonservice_deinit(env);
 	libipsec_deinit();
-	libhydra_deinit();
 	library_deinit();
 }