Revert "changed electrum logo to noface."

This reverts commit 3ee35acc27.

TODO

@@ -3,6 +3,7 @@ Client:
 - Wizard
 - Multiple wallets
 - Themes
+- Extend GUI with history view (View -> Show History)
 - Settings window
 
 Server:

data/noface.svg

@@ -52,7 +52,7 @@
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