Update concepts-extensions.md

Author: GennadNY

articles/postgresql/flexible-server/concepts-extensions.md

@@ -152,7 +152,6 @@ The following extensions are available in Azure Database for PostgreSQL - Flexib
 > |[pg_freespacemap](https://www.postgresql.org/docs/13/pgfreespacemap.html)               | 1.2             | examine the free space map (FSM)|
 > |[pg_partman](https://github.com/pgpartman/pg_partman)         | 4.6.1           | Extension to manage partitioned tables by time or ID |
 > |[pg_prewarm](https://www.postgresql.org/docs/13/pgprewarm.html)                   | 1.2             | prewarm relation data|
-> |[pg_repack](https://github.com/reorg/pg_repack)                   | 1.4.7             | reorganize tables in PostgreSQL databases with minimal locks|
 > |[pg_stat_statements](https://www.postgresql.org/docs/13/pgstatstatements.html)           | 1.8             | track execution statistics of all SQL statements executed|
 > |[pg_trgm](https://www.postgresql.org/docs/13/pgtrgm.html)                      | 1.5             | text similarity measurement and index searching based on trigrams|
 > |[pg_visibility](https://www.postgresql.org/docs/13/pgvisibility.html)                      | 1.2             | examine the visibility map (VM) and page-level visibility info|
@@ -210,7 +209,6 @@ The following extensions are available in Azure Database for PostgreSQL - Flexib
 > |[pg_freespacemap](https://www.postgresql.org/docs/13/pgfreespacemap.html)               | 1.2             | examine the free space map (FSM)|
 > |[pg_partman](https://github.com/pgpartman/pg_partman)         | 4.5.0           | Extension to manage partitioned tables by time or ID |
 > |[pg_prewarm](https://www.postgresql.org/docs/13/pgprewarm.html)                   | 1.2             | prewarm relation data|
-> |[pg_repack](https://github.com/reorg/pg_repack)                   | 1.4.7             | reorganize tables in PostgreSQL databases with minimal locks|
 > |[pg_stat_statements](https://www.postgresql.org/docs/13/pgstatstatements.html)           | 1.8             | track execution statistics of all SQL statements executed|
 > |[pg_trgm](https://www.postgresql.org/docs/13/pgtrgm.html)                      | 1.5             | text similarity measurement and index searching based on trigrams|
 > |[pg_visibility](https://www.postgresql.org/docs/13/pgvisibility.html)                      | 1.2             | examine the visibility map (VM) and page-level visibility info|
@@ -269,7 +267,6 @@ The following extensions are available in Azure Database for PostgreSQL - Flexib
 > |[pg_freespacemap](https://www.postgresql.org/docs/12/pgfreespacemap.html)               | 1.2             | examine the free space map (FSM)|
 > |[pg_partman](https://github.com/pgpartman/pg_partman)         | 4.5.0           | Extension to manage partitioned tables by time or ID |
 > |[pg_prewarm](https://www.postgresql.org/docs/12/pgprewarm.html)                   | 1.2             | prewarm relation data|
-> |[pg_repack](https://github.com/reorg/pg_repack)                   | 1.4.7             | reorganize tables in PostgreSQL databases with minimal locks|
 > |[pg_stat_statements](https://www.postgresql.org/docs/12/pgstatstatements.html)           | 1.7             | track execution statistics of all SQL statements executed|
 > |[pg_trgm](https://www.postgresql.org/docs/12/pgtrgm.html)                      | 1.4             | text similarity measurement and index searching based on trigrams|
 > |[pg_visibility](https://www.postgresql.org/docs/12/pgvisibility.html)                      | 1.2             | examine the visibility map (VM) and page-level visibility info|
@@ -328,7 +325,6 @@ The following extensions are available in Azure Database for PostgreSQL - Flexib
 > |[pg_freespacemap](https://www.postgresql.org/docs/11/pgfreespacemap.html)               | 1.2             | examine the free space map (FSM)|
 > |[pg_partman](https://github.com/pgpartman/pg_partman)         | 4.5.0           | Extension to manage partitioned tables by time or ID |
 > |[pg_prewarm](https://www.postgresql.org/docs/11/pgprewarm.html)                   | 1.2             | prewarm relation data|
-> |[pg_repack](https://github.com/reorg/pg_repack)                   | 1.4.7             | reorganize tables in PostgreSQL databases with minimal locks|
 > |[pg_stat_statements](https://www.postgresql.org/docs/11/pgstatstatements.html)           | 1.6             | track execution statistics of all SQL statements executed|
 > |[pg_trgm](https://www.postgresql.org/docs/11/pgtrgm.html)                      | 1.4             | text similarity measurement and index searching based on trigrams|
 > |[pg_visibility](https://www.postgresql.org/docs/11/pgvisibility.html)                      | 1.2             | examine the visibility map (VM) and page-level visibility info|