Revert "Reland: Soft-enable MAC address restrictions with allowlist."

Revert "Updates CTS tests for MAC address restrictions."

Revert submission 1528409-mac-softrestrict

Reason for revert: App compatibility
Reverted Changes:
I74a50b990:Return anonymized MAC for apps targeting SDK < 30
I8738f7912:Reland: Soft-enable MAC address restrictions with ...
Id13670747:Updates CTS tests for MAC address restrictions.

Change-Id: I64e17cb04acf2862bc657e60694067a456b4f936
diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index ec34828..391e7af 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -245,7 +245,7 @@
 # sockets
 int           __socket:socket(int, int, int)              arm,lp64
 int           __socketpair:socketpair(int, int, int, int*)    arm,lp64
-int           __bind:bind(int, struct sockaddr*, socklen_t)  arm,lp64
+int           bind(int, struct sockaddr*, socklen_t)  arm,lp64
 int           __connect:connect(int, struct sockaddr*, socklen_t)   arm,lp64
 int           listen(int, int)                   arm,lp64
 int           __accept4:accept4(int, struct sockaddr*, socklen_t*, int)  arm,lp64
@@ -263,7 +263,7 @@
 
 # sockets for x86. These are done as an "indexed" call to socketcall syscall.
 int           __socket:socketcall:1(int, int, int) x86
-int           __bind:socketcall:2(int, struct sockaddr*, int)  x86
+int           bind:socketcall:2(int, struct sockaddr*, int)  x86
 int           __connect:socketcall:3(int, struct sockaddr*, socklen_t)   x86
 int           listen:socketcall:4(int, int)                   x86
 int           getsockname:socketcall:6(int, struct sockaddr*, socklen_t*)  x86