GH-14786: [Java][Doc] Replace in-folder documentation (#14789)

Replace in-folder documentation with link to comprehensive documentation page

Authored-by: Larry White <lwhite1@users.noreply.github.com>
Signed-off-by: David Li <li.davidm96@gmail.com>

Author: lwhite1

java/vector/src/main/java/org/apache/arrow/vector/table/README.md

@@ -19,7 +19,5 @@
 
 /**
  *  Support for Table, an immutable, columnar, tabular data structure based on FieldVectors.
- *
- *  See the README.md file in this directory for detailed information about Table class and supporting classes.
- *
+ *  See the Arrow Java documentation for details: <a href="https://arrow.apache.org/docs/java/table.html">Table</a>
  */