fix: remove assert to avoid conflict with libc of toolchains

musl c is not ready for replacement of toolchain's libc, we comment
out some conflict functions temporary.
Signed-off-by: NCaoruihong <crh.cao@huawei.com>
Change-Id: Ifd5e7aa39fd18db5b8c68f24791e9dcb706e257d

porting/liteos_m/kernel/BUILD.gn

@@ -52,7 +52,7 @@ static_library(libc) {
     "src/network/ntohl.c",
     "src/network/ntohs.c",
     "src/exit/abort.c",
-    "src/exit/assert.c",
+    #"src/exit/assert.c",
     "src/ctype/isascii.c",
     "src/ctype/isxdigit.c",
     "src/ctype/isdigit.c",