cellular: remove last CELLULAR_DEVICE references

Author: Teemu Kultala

features/cellular/TESTS/api/cellular_information/main.cpp

@@ -21,7 +21,6 @@
 #endif
 
 #include "CellularUtil.h" // for CELLULAR_ helper macros
-#include "CellularTargets.h"
 
 #ifndef MBED_CONF_APP_CELLULAR_SIM_PIN
 #error [NOT_SUPPORTED] SIM pin code is needed. Skipping this build.

features/cellular/TESTS/socket/udp/main.cpp

@@ -20,7 +20,6 @@
 #endif
 
 #include "CellularUtil.h" // for CELLULAR_ helper macros
-#include "CellularTargets.h"
 
 #ifndef MBED_CONF_APP_CELLULAR_SIM_PIN
 #error [NOT_SUPPORTED] SIM pin code is needed. Skipping this build.

features/cellular/framework/API/CellularDevice.h

@@ -18,7 +18,6 @@
 #ifndef CELLULAR_DEVICE_H_
 #define CELLULAR_DEVICE_H_
 
-#include "CellularTargets.h"
 #include "CellularStateMachine.h"
 #include "Callback.h"
 #include "ATHandler.h"
@@ -63,8 +62,9 @@ class CellularDevice {
         SimStateUnknown
     };
 
-    /** Returns singleton instance of CellularDevice if CELLULAR_DEVICE is defined. If CELLULAR_DEVICE is not
-     *  defined, then it returns NULL. See NetworkInterface::get_default_instance for details.
+    /** Returns singleton instance of CellularDevice, if Mbed target board has a supported
+     *  onboard modem, or provide-default is defined for a cellular driver in JSON configuration
+     *  files. Otherwise returns NULL. See NetworkInterface::get_default_instance for details.
      *
      *  @remark Application may override this (non-weak) default implementation.
      *

features/cellular/framework/common/CellularTargets.h

@@ -19,7 +19,6 @@
 #include "CellularContext.h"
 #include "CellularUtil.h"
 #include "CellularLog.h"
-#include "CellularTargets.h"
 #include "events/EventQueue.h"
 
 namespace mbed {