Snap for 6001391 from a86fcf6f2aeea8bb3c72ceee339f2dc1f8936fb5 to qt-aml-networking-release

Change-Id: I0f59ee9a190fd845b797d1872cd3710ebcc0cd60
diff --git a/third_party/libbacktrace/src b/third_party/libbacktrace/src
deleted file mode 160000
index 5a99ff7..0000000
--- a/third_party/libbacktrace/src
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 5a99ff7fed66b8ea8f09c9805c138524a7035ece