chore: delete implicit fallthrough patch (#35452)

patches/node/.patches

@@ -16,7 +16,6 @@ fix_crypto_tests_to_run_with_bssl.patch
 fix_account_for_debugger_agent_race_condition.patch
 repl_fix_crash_when_sharedarraybuffer_disabled.patch
 fix_readbarrier_undefined_symbol_error_on_woa_arm64.patch
-chore_fix_-wimplicit-fallthrough.patch
 fix_crash_caused_by_gethostnamew_on_windows_7.patch
 fix_suppress_clang_-wdeprecated-declarations_in_libuv.patch
 fix_serdes_test.patch

patches/node/chore_fix_-wimplicit-fallthrough.patch

@@ -1,76 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Shelley Vohr <[email protected]>
-Date: Mon, 11 Oct 2021 13:46:24 +0200
-Subject: chore: fix -Wimplicit-fallthrough
-
-Upstreamed at https://github.com/nghttp2/nghttp2/pull/1626.
-
-diff --git a/deps/nghttp2/BUILD.gn b/deps/nghttp2/BUILD.gn
-index 8bfecba74d4d90e9fbf0e2cd301118e4adc6cba8..63e1149f0c4a39cb944114e5824d6074343301e8 100644
---- a/deps/nghttp2/BUILD.gn
-+++ b/deps/nghttp2/BUILD.gn
-@@ -16,7 +16,6 @@ static_library("nghttp2") {
- 
-   cflags_c = [
-     "-Wno-implicit-function-declaration",
--    "-Wno-implicit-fallthrough",
-     "-Wno-string-plus-int",
-     "-Wno-unreachable-code-return",
-     "-Wno-unused-but-set-variable",
-diff --git a/deps/nghttp2/lib/nghttp2_hd.c b/deps/nghttp2/lib/nghttp2_hd.c
-index 30ee9b88920c0a0bb8f8b714e3deabe0207cac40..010edf48f614c23e971df0f37716275cc1656469 100644
---- a/deps/nghttp2/lib/nghttp2_hd.c
-+++ b/deps/nghttp2/lib/nghttp2_hd.c
-@@ -1892,7 +1892,7 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
-         rv = NGHTTP2_ERR_HEADER_COMP;
-         goto fail;
-       }
--    /* fall through */
-+      __attribute__((fallthrough));
-     case NGHTTP2_HD_STATE_INFLATE_START:
-     case NGHTTP2_HD_STATE_OPCODE:
-       if ((*in & 0xe0u) == 0x20u) {
-@@ -2002,7 +2002,7 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
-       inflater->left = 0;
-       inflater->shift = 0;
-       DEBUGF("inflatehd: huffman encoded=%d\n", inflater->huffman_encoded != 0);
--    /* Fall through */
-+      __attribute__((fallthrough));
-     case NGHTTP2_HD_STATE_NEWNAME_READ_NAMELEN:
-       rfin = 0;
-       rv = hd_inflate_read_len(inflater, &rfin, in, last, 7, NGHTTP2_HD_MAX_NV);
-@@ -2086,7 +2086,7 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
-       inflater->left = 0;
-       inflater->shift = 0;
-       DEBUGF("inflatehd: huffman encoded=%d\n", inflater->huffman_encoded != 0);
--    /* Fall through */
-+      __attribute__((fallthrough));
-     case NGHTTP2_HD_STATE_READ_VALUELEN:
-       rfin = 0;
-       rv = hd_inflate_read_len(inflater, &rfin, in, last, 7, NGHTTP2_HD_MAX_NV);
-diff --git a/deps/nghttp2/lib/nghttp2_session.c b/deps/nghttp2/lib/nghttp2_session.c
-index 380a47c1b1e82b015c271e2818aed0baf982aa2d..2f3997709cd07f6f8294f985f60b2e1e4b85a2cf 100644
---- a/deps/nghttp2/lib/nghttp2_session.c
-+++ b/deps/nghttp2/lib/nghttp2_session.c
-@@ -2644,10 +2644,10 @@ static int session_after_frame_sent1(nghttp2_session *session) {
-     case NGHTTP2_HCAT_PUSH_RESPONSE:
-       stream->flags = (uint8_t)(stream->flags & ~NGHTTP2_STREAM_FLAG_PUSH);
-       ++session->num_outgoing_streams;
--    /* Fall through */
-+      __attribute__((fallthrough));
-     case NGHTTP2_HCAT_RESPONSE:
-       stream->state = NGHTTP2_STREAM_OPENED;
--    /* Fall through */
-+      __attribute__((fallthrough));
-     case NGHTTP2_HCAT_HEADERS:
-       if (frame->hd.flags & NGHTTP2_FLAG_END_STREAM) {
-         nghttp2_stream_shutdown(stream, NGHTTP2_SHUT_WR);
-@@ -5456,7 +5456,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
- 
-       iframe->state = NGHTTP2_IB_READ_HEAD;
- 
--    /* Fall through */
-+      __attribute__((fallthrough));
-     case NGHTTP2_IB_READ_HEAD: {
-       int on_begin_frame_called = 0;
-