Revert "Do enable if the remote is not ready yet"

This reverts commit 1e3dba2.

Author: dnhatn

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/session/Configuration.java

@@ -142,8 +142,7 @@ public void writeTo(StreamOutput out) throws IOException {
         }
         if (out.getTransportVersion().onOrAfter(TransportVersions.ESQL_SUPPORT_PARTIAL_RESULTS)
             || out.getTransportVersion().isPatchFrom(TransportVersions.ESQL_SUPPORT_PARTIAL_RESULTS_BACKPORT_8_19)) {
-            final boolean ready = out.getTransportVersion().onOrAfter(TransportVersions.ESQL_FAILURE_FROM_REMOTE);
-            out.writeBoolean(allowPartialResults && ready);
+            out.writeBoolean(allowPartialResults);
         }
     }