Revert "[MTE] allocate ring buffer for stack history"

This reverts commit 10d11ddfcb52122db52ac9f15b4884f663e9915d.

Reason for revert: b/348239278

Change-Id: I14a1a3177ecbf5d8cf44836dc790c501c102960a
diff --git a/libc/platform/bionic/tls_defines.h b/libc/platform/bionic/tls_defines.h
index 06c6617..8fe8701 100644
--- a/libc/platform/bionic/tls_defines.h
+++ b/libc/platform/bionic/tls_defines.h
@@ -85,8 +85,7 @@
 // [1] "Addenda to, and Errata in, the ABI for the ARM Architecture". Section 3.
 // http://infocenter.arm.com/help/topic/com.arm.doc.ihi0045e/IHI0045E_ABI_addenda.pdf
 
-#define MIN_TLS_SLOT (-3)  // update this value when reserving a slot
-#define TLS_SLOT_STACK_MTE (-3)
+#define MIN_TLS_SLOT (-2)  // update this value when reserving a slot
 #define TLS_SLOT_NATIVE_BRIDGE_GUEST_STATE (-2)
 #define TLS_SLOT_BIONIC_TLS     (-1)
 #define TLS_SLOT_DTV              0