Combine Z_AFTER_DEACTIVATE with UNKNOWN_Z_NO_RAISE (#20444)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

Marlin/src/module/probe.cpp

@@ -401,14 +401,7 @@ bool Probe::set_deployed(const bool deploy) {
     constexpr bool z_raise_wanted = true;
   #endif
 
-  // For beds that fall when Z is powered off only raise for trusted Z
-  #if ENABLED(UNKNOWN_Z_NO_RAISE)
-    const bool z_is_trusted = axis_is_trusted(Z_AXIS);
-  #else
-    constexpr float z_is_trusted = true;
-  #endif
-
-  if (z_is_trusted && z_raise_wanted)
+  if (z_raise_wanted)
     do_z_raise(_MAX(Z_CLEARANCE_BETWEEN_PROBES, Z_CLEARANCE_DEPLOY_PROBE));
 
   #if EITHER(Z_PROBE_SLED, Z_PROBE_ALLEN_KEY)