[Wifi][Shell] build fix

Author: mihai-ignat

src/include/platform/ConnectivityManager.h

@@ -31,7 +31,6 @@
 #include <platform/CHIPDeviceEvent.h>
 
 #include <app/util/basic-types.h>
-#include <lib/support/Span.h>
 
 #if INET_CONFIG_ENABLE_TCP_ENDPOINT
 #include <inet/TCPEndPoint.h>

src/include/platform/internal/GenericConnectivityManagerImpl.h

@@ -74,7 +74,9 @@ inline void GenericConnectivityManagerImpl<ImplClass>::_SetUserSelectedModeTimeo
 
 template <class ImplClass>
 inline CHIP_ERROR GenericConnectivityManagerImpl<ImplClass>::_DisconnectNetwork(void)
-{}
+{
+    return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE;
+}
 
 } // namespace Internal
 } // namespace DeviceLayer

src/include/platform/internal/GenericConnectivityManagerImpl_NoWiFi.h

@@ -24,8 +24,6 @@
 
 #pragma once
 
-#include <lib/support/Span.h>
-
 namespace chip {
 namespace DeviceLayer {
 namespace Internal {

src/include/platform/internal/GenericConnectivityManagerImpl_WiFi.h

@@ -25,7 +25,6 @@
 
 #include <app/icd/server/ICDServerConfig.h>
 #include <lib/support/logging/CHIPLogging.h>
-#include <lib/support/Span.h>
 #include <platform/ConnectivityManager.h>
 #include <platform/internal/DeviceNetworkInfo.h>