IMPALA-7506: [DOCS] Global INVALIDATE is supported in local catalog mode

Change-Id: I30ca29995a1b6667e2738803fc0a0639f8f08fe9
Reviewed-on: http://gerrit.cloudera.org:8080/14700
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
Reviewed-by: Quanlong Huang <huangquanlong@gmail.com>
diff --git a/docs/topics/impala_metadata.xml b/docs/topics/impala_metadata.xml
index e810a54..fb5e856 100644
--- a/docs/topics/impala_metadata.xml
+++ b/docs/topics/impala_metadata.xml
@@ -127,15 +127,6 @@
         </dl>
       </p>
 
-      <p>
-        <b>Limitation:</b>
-      </p>
-
-      <p>
-        Global <codeph>INVALIDATES</codeph> are not supported when this feature is enabled. If
-        your workload requires global <codeph>INVALIDATES</codeph>, do not use this feature.
-      </p>
-
     </conbody>
 
   </concept>
@@ -454,8 +445,6 @@
 
       <title>Metrics for Event Based Automatic Metadata Sync</title>
 
-<!--AR 3/29/2019 Incorporate this section to the web UI doc when this feature goes GA.-->
-
       <conbody>
 
         <p>