Update oracle-database-regions.md

Autonomous in Japan East has not been released yet at this moment.

Author: takeokams

articles/oracle/oracle-db/oracle-database-regions.md

@@ -22,7 +22,7 @@ The following table lists Azure regions and corresponding OCI regions that suppo
 |----------------|--------------------------|-------------------|-------------------|
 | Australia East | Australia East (Sydney)  | ✓  |          ✓                      |
 | Southeast Asia | Singapore (Singapore)  | ✓  |          ✓                      |
-| Japan East     | Japan East(Tokyo)  | ✓  |          ✓                      |
+| Japan East     | Japan East(Tokyo)  | ✓  |                                 |
 
 ## Europe, Middle East, Africa (EMEA)