Revert "CI: Sleep for a few seconds before loading the rest of the wallets"

This reverts commit df1963f.

Author: psgreco

test/functional/wallet_multiwallet.py

@@ -289,9 +289,6 @@ def wallet_file(name):
         global got_loading_error
         assert_equal(got_loading_error, True)
 
-        if self.options.usecli:
-            self.log.info("Sleeping for 1 minute")
-            time.sleep(60)
         self.log.info("Load remaining wallets")
         for wallet_name in wallet_names[2:]:
             loadwallet_name = self.nodes[0].loadwallet(wallet_name)