Removed unused install hook, removed redundant code from configure hook

snap/hooks/configure

@@ -1,6 +1,3 @@
 #!/bin/sh -e
 
-listen_port="$(snapctl get novncsvc.listen-port)"
-vnc_host_port="$(snapctl get novncsvc.vnc-host-port)"
-
 snapctl restart novnc.novncsvc

snap/hooks/install

@@ -1,5 +0,0 @@
-#!/bin/sh -e
-
-# Initialise settings to blank default values so that novncsvc won't start unless the user sets these values to something meaningful
-snapctl set novncsvc.listen-port=0
-snapctl set novncsvc.vnc-host-port=''

snap/snapcraft.yaml

@@ -21,8 +21,6 @@ parts:
             - python3-numpy
 
 hooks:
-    install:
-        plugs: [network, network-bind]
     configure:
         plugs: [network, network-bind]