Remove references to crate-clients-tools aka. "ecosystem catalog"

All content has been absorbed by `cratedb-guide` already.

Author: amotl

docs/admin/create-user.md

@@ -20,9 +20,8 @@ username and password.
 ## `CREATE USER` command
 
 In order to create a user that can be used to authenticate from a remote
-machine, first
-[install crash](inv:crate-crash:*:label#getting-started) or other
-[](inv:crate-clients-tools:*:label#index) on the same machine you installed
+machine, first {ref}`install crash <crate-crash:getting-started>` or
+{ref}`connect <connect>` with other tools on the same machine you installed
 CrateDB on. Then, connect to CrateDB running on `localhost`.
 
 While you can also perform the steps outlined below within

docs/home/index.md

@@ -289,21 +289,6 @@ and integrations with third-party applications and frameworks.
 ::::{grid} 2 3 3 3
 :padding: 0
 
-:::{grid-item-card} Ecosystem Catalog
-:link: catalog
-:link-type: ref
-:link-alt: Ecosystem Catalog
-:padding: 3
-:class-card: sd-pt-3
-:class-title: sd-fs-5
-:class-body: sd-text-center
-:class-footer: text-smaller
-{material-outlined}`category;3.5em`
-+++
-Discover integrations and solutions from the open-source community and CrateDB partners.
-:::
-
-
 :::{grid-item-card} Integration Tutorials I
 :link: integrate
 :link-type: ref
@@ -318,7 +303,6 @@ Discover integrations and solutions from the open-source community and CrateDB p
 Learn about the variety of options to connect and integrate with third-party applications.
 :::
 
-
 :::{grid-item-card} Integration Tutorials II
 :link: https://community.cratedb.com/t/overview-of-cratedb-integration-tutorials/1015
 :link-alt: Integration Tutorials II

docs/use/migrate/rockset/index.md

@@ -302,7 +302,6 @@ CrateDB offers a wide range of integration capabilities, is compatible
 with the PostgreSQL wire protocol, and offers adapter components to
 integrate with applications and frameworks.
 
-- [Ecosystem Catalog]
 - [Integration Tutorials I]
 - [Integration Tutorials II]
 - [Software Development Kit]
@@ -331,7 +330,6 @@ and Python example programs.
 [CrateDB Editions]: https://cratedb.com/database/editions
 [CrateDB SQL]: project:#sql
 [DX]: https://en.wikipedia.org/wiki/User_experience#Developer_experience
-[Ecosystem Catalog]: https://cratedb.com/docs/crate/clients-tools/
 [Integration Tutorials I]: inv:#integrate
 [Integration Tutorials II]: https://community.cratedb.com/t/overview-of-cratedb-integration-tutorials/1015
 [migration]: https://cratedb.com/migrations/rockset