Don't throw OutOfMemoryError if it's already been thrown.

If GetPrimitiveArrayCritical fails, it throws a suitable exception for us.

Also remove dead code.
diff --git a/libcore/archive/src/main/native/java_util_zip_Deflater.c b/libcore/archive/src/main/native/java_util_zip_Deflater.c
index 47347e6..af0bfcc 100644
--- a/libcore/archive/src/main/native/java_util_zip_Deflater.c
+++ b/libcore/archive/src/main/native/java_util_zip_Deflater.c
@@ -199,7 +199,6 @@
   sout = stream->stream->total_out;
   out = ((*env)->GetPrimitiveArrayCritical (env, buf, 0));
   if (out == NULL) {
-    throwNewOutOfMemoryError(env, "");
     return -1;
   }
   stream->stream->next_out = (Bytef *) out + off;
diff --git a/libcore/openssl/src/main/native/BNInterface.c b/libcore/openssl/src/main/native/BNInterface.c
index 755a93b..1a3eb16 100644
--- a/libcore/openssl/src/main/native/BNInterface.c
+++ b/libcore/openssl/src/main/native/BNInterface.c
@@ -33,12 +33,6 @@
 
 
 static void
-throwOutOfMemoryException(JNIEnv* env, const char* message)
-{
-    jniThrowException(env, "java/lang/OutOfMemoryError", message);
-}
-
-static void
 throwNewNullPointerException (JNIEnv* env, const char* message)
 {
     jniThrowException(env, "java/lang/NullPointerException", message);