Announce Hive 1.x EOL and remove from downloads space

The Hive 1.x release line is officially unsupported. The respective discussion and vote can be found below:

• https://lists.apache.org/thread/sxcrcf4v9j630tl9domp0bn4m33bdq0s
• https://lists.apache.org/thread/cyfg2ftrsh9bn0wgycm7ltqsx9yb6fts

The following tasks are pending:

• Update the Hive website to reflect that Hive 1.x is EOL
• Send an official announcement email to the following lists: user@hive, dev@hive, announce@apache
• Remove hive-1.2.2 from https://downloads.apache.org/hive/ (it will be automatically archived)