change(security): disable Key Manager support on ESP32-C5/P4/S31

The Key Manager hardware peripheral in its current form needs further
design changes before it can be offered as a production feature.
Until a revised peripheral design is available, withdraw ESP-IDF
support for it on all Key Manager capable targets.

components/esp_rom/esp32s31/include/esp32s31/rom/key_mgr.h

@@ -7,7 +7,6 @@
 
 #include "soc/soc_caps.h"
 
-#if SOC_KEY_MANAGER_SUPPORTED
 #include <stdint.h>
 #include "esp_attr.h"
 #include "ets_sys.h"
@@ -109,4 +108,3 @@ struct km_deploy_ops {
 #if __cplusplus
 }
 #endif
-#endif

components/esp_rom/esp32s31/include/esp32s31/rom/km.h

@@ -8,7 +8,6 @@
 #define _KM_H
 
 #include "soc/soc_caps.h"
-#if SOC_KEY_MANAGER_SUPPORTED
 
 #include <stdint.h>
 #include "soc/soc.h"
@@ -58,6 +57,5 @@ int esp_rom_km_huk_risk(void);
 #ifdef __cplusplus
 }
 #endif
-#endif
 
 #endif /* _KM_H */