esp_rom: remove "newlib.h" header

We found conflict in "sizeof(time_t)" due to inclusion of this
header over toolchain specific "newlib.h".

Moreover, there are no users for this header and implementation
for API is also not available in ROM. Hence removing it.

components/esp_rom/include/esp32c3/rom/newlib.h

@@ -1,50 +0,0 @@
-// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-#pragma once
-
-#include <sys/lock.h>
-#include <sys/reent.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Global variables used by newlib in ROM
-
-   Note that any of these symbols which are used by both ROM & IDF will have duplicate copies
-   in each "side" of the memory. However they're all pointers, and the pointers will be to the same
-   thing, so it's not a big memory waste and functionality is the same.
-
-   Some variables which look like they should be here, but aren't:
-
-   - __sf_fake_stdin, __sf_fake_stdout, __sf_fake_stderr - These are defined in ROM because ROM includes findfp.c,
-   but only used if _REENT_INIT or _REENT_INIT_PTR are ever called and ROM doesn't use these macros anywhere unless
-   printf() or similar is called without initializing reent first. ESP-IDF sets up its own minimal reent structures.
-
-   - __lock___sinit_recursive_mutex, etc. - these are combined into common_recursive_mutex & common_mutex to save space
-*/
-typedef struct {
-    _LOCK_T common_recursive_mutex;
-    _LOCK_T common_mutex;
-    struct _reent *global_reent;
-} esp_rom_newlib_global_data_t;
-
-/* Called from IDF newlib component setup
-   to initialize common data shared between ROM and IDF
-*/
-void esp_rom_newlib_init_global_data(const esp_rom_newlib_global_data_t *data);
-
-#ifdef __cplusplus
-}
-#endif

components/esp_rom/include/esp32h2/rom/newlib.h

@@ -1,50 +0,0 @@
-// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-#pragma once
-
-#include <sys/lock.h>
-#include <sys/reent.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Global variables used by newlib in ROM
-
-   Note that any of these symbols which are used by both ROM & IDF will have duplicate copies
-   in each "side" of the memory. However they're all pointers, and the pointers will be to the same
-   thing, so it's not a big memory waste and functionality is the same.
-
-   Some variables which look like they should be here, but aren't:
-
-   - __sf_fake_stdin, __sf_fake_stdout, __sf_fake_stderr - These are defined in ROM because ROM includes findfp.c,
-   but only used if _REENT_INIT or _REENT_INIT_PTR are ever called and ROM doesn't use these macros anywhere unless
-   printf() or similar is called without initializing reent first. ESP-IDF sets up its own minimal reent structures.
-
-   - __lock___sinit_recursive_mutex, etc. - these are combined into common_recursive_mutex & common_mutex to save space
-*/
-typedef struct {
-    _LOCK_T common_recursive_mutex;
-    _LOCK_T common_mutex;
-    struct _reent *global_reent;
-} esp_rom_newlib_global_data_t;
-
-/* Called from IDF newlib component setup
-   to initialize common data shared between ROM and IDF
-*/
-void esp_rom_newlib_init_global_data(const esp_rom_newlib_global_data_t *data);
-
-#ifdef __cplusplus
-}
-#endif