[SPARK-28351][SQL][FOLLOWUP] Remove 'DELETE FROM' from unsupportedHiveNativeCommands

### What changes were proposed in this pull request?

Minor change, rm `DELETE FROM` from unsupported hive native operation, because it is supported in parser.

### Why are the changes needed?
clear ambiguous ambiguous

### Does this PR introduce any user-facing change?

no

### How was this patch tested?

no

Closes #26836 from yaooqinn/SPARK-28351.

Authored-by: Kent Yao <[email protected]>
Signed-off-by: Dongjoon Hyun <[email protected]>

Author: yaooqinn

sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4

@@ -274,7 +274,6 @@ unsupportedHiveNativeCommands
     | kw1=COMMIT
     | kw1=ROLLBACK
     | kw1=DFS
-    | kw1=DELETE kw2=FROM
     ;
 
 createTableHeader