esp32: remove libcrypto according to review comments

diff --git a/components/esp32/lib b/components/esp32/lib
index a1ab74c2a6122693ee87f08306364fc7a016ced7..596a82d4e0122432a51d3ec5a62975db9fd38179 160000 (submodule)
--- a/components/esp32/lib
+++ b/components/esp32/lib
@@ -1 +1 @@
-Subproject commit a1ab74c2a6122693ee87f08306364fc7a016ced7
+Subproject commit 596a82d4e0122432a51d3ec5a62975db9fd38179