update submodule - electrum - Electrum Bitcoin wallet

commit aa00fa2a5cf3d050a4a8968b3f20e2c20db512d1
parent 034c1e0828f412db7a24a0ff76b0c3b7394d32e0
Author: ThomasV <thomasv@electrum.org>
Date:   Wed,  3 Jul 2019 16:01:10 +0200

update submodule

	electrum Electrum Bitcoin wallet
	git clone https://git.parazyd.org/electrum
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