Remove embedded libs for re-combining SDFileSystem with FATFileSystem and MSCFileSystem into Multi-FileSystem.

Dependencies:   SDFileSystem FATFileSystem MSCFileSystem

Fork of Multi-FileSystem by David Smart

Revision:
7:0c9a35b3d19d
Parent:
4:f16995c04fae
--- a/SDFileSystem.lib	Sat Jul 29 12:39:52 2017 +0000
+++ b/SDFileSystem.lib	Sat May 16 14:43:58 2020 +0000
@@ -1,1 +1,1 @@
-https://developer.mbed.org/users/WiredHome/code/SDFileSystem/#3636c9ed935d
+https://developer.mbed.org/users/WiredHome/code/SDFileSystem/#e7b1922e2e85