Do not run btcpay-update.sh in the test, fix install

.circleci/test-connectivity.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 
+echo "Trying to connect to btcpayserver..."
 while true; do
     if [ "$(curl -sL -w "%{http_code}\\n" "http://localhost/" -o /dev/null)" == "200" ]; then
         echo "Successfully contacted BTCPayServer"

.circleci/test-install.sh

@@ -17,9 +17,8 @@ export BTCPAYGEN_REVERSEPROXY="nginx"
 export BTCPAYGEN_LIGHTNING="clightning"
 source ./btcpay-setup.sh -i
 
-timeout 10m bash .circleci/test-connectivity.sh
+timeout 5m bash .circleci/test-connectivity.sh
 
 # Testing scripts are not crashing and installed
 btcpay-up.sh
-btcpay-update.sh
 btcpay-down.sh