gh-155725: Revert Doc/c-api/memory.rst changes

Author: kumaraditya303

Doc/c-api/memory.rst

@@ -780,16 +780,6 @@ tracemalloc C API
 
    If memory block is already tracked, update the existing trace.
 
-   The function can be called from any thread, with or without an
-   :term:`attached thread state`.  The traceback is captured using the
-   Python thread state associated with the calling thread, even if it is
-   not attached.  If the thread has no Python thread state, the traceback
-   is recorded as ``<unknown>``.
-
-   .. versionchanged:: next
-      The function no longer acquires the :term:`GIL` nor creates a
-      temporary thread state.
-
 .. c:function:: int PyTraceMalloc_Untrack(unsigned int domain, uintptr_t ptr)
 
    Untrack an allocated memory block in the :mod:`tracemalloc` module.