Remove re2j, SQLLine, ClassNameCompleter entries from LICENSE file

com.google.re2j:re2j is not bundled in source packages (only in the binary). Copy license (from https://github.com/google/re2j/blob/re2j-1.2/LICENSE) to binary-package-licenses.

SQLLine is not bundled in source packages (only in binary). Copy license (from https://github.com/julianhyde/sqlline/blob/sqlline-1.9.0/LICENSE) to binary-package-licenses.

The class ClassNameCompleter is no longer present anywhere in the Hive repo.

As a reminder anything that is not bundled should not be in the LICENSE: https://infra.apache.org/licensing-howto.html#bundled-vs-non-bundled