cleanup the unused from the .h file and fixing build

src/platform/silabs/BLEManagerImpl.h

@@ -31,9 +31,6 @@
 extern "C" {
 #endif // __cplusplus
 #include "wfx_sl_ble_init.h"
-#include <rsi_ble.h>
-#include <rsi_ble_apis.h>
-#include <rsi_bt_common.h>
 #ifdef __cplusplus
 }
 #endif // __cplusplus

src/platform/silabs/rs911x/wfx_sl_ble_init.cpp

@@ -20,7 +20,6 @@
  *    See the License for the specific language governing permissions and
  *    limitations under the License.
  */
-#include "wfx_sl_ble_init.h"
 #include <lib/support/logging/CHIPLogging.h>
 #include <platform/CHIPDeviceLayer.h>
 #include <platform/silabs/BLEManagerImpl.h>

src/platform/silabs/rs911x/wfx_sl_ble_init.h

@@ -33,13 +33,6 @@
 #include <rsi_ble.h>
 #include <rsi_ble_apis.h>
 #include <rsi_ble_common_config.h>
-#if !(SLI_SI91X_MCU_INTERFACE | EXP_BOARD)
-#include <rsi_bootup_config.h>
-#include <rsi_driver.h>
-#include <rsi_wlan_apis.h>
-#include <rsi_wlan_config.h>
-#include <rsi_wlan_non_rom.h>
-#endif
 #include <rsi_bt_common.h>
 #include <rsi_bt_common_apis.h>
 #include <rsi_common_apis.h>