Remove sqlite requirement from documentations

Since it's now bundled alongside our binaries

docs/root/manual/developer-docs/nodes/mithril-aggregator.md

@@ -39,8 +39,6 @@ This is the node of the **Mithril Network** responsible for collecting individua
 
 * Install OpenSSL development libraries, for example on Ubuntu/Debian/Mint run `apt install libssl-dev`
 
-* Ensure SQLite3 library is installed on your system and its version is at least `3.40`. Run `sqlite3 --version` to check your version.
-
 ## Download source
 
 Download from GitHub (HTTPS)

docs/root/manual/developer-docs/nodes/mithril-signer.md

@@ -41,8 +41,6 @@ This is the node of the **Mithril Network** responsible for producing individual
 
 * Install OpenSSL development libraries, for example on Ubuntu/Debian/Mint run `apt install libssl-dev`
 
-* Ensure SQLite3 library is installed on your system and its version is at least `3.35` (released Apr. 2021) on Debian/Ubuntu: `apt install libsqlite3` and `sqlite3 --version`.
-
 ## Download source
 
 Download from GitHub (HTTPS)

docs/root/manual/getting-started/run-mithril-devnet.md

@@ -39,8 +39,6 @@ More information about this private Cardano/Mithril `devnet` is available [here]
 
 * Install OpenSSL development libraries, for example on Ubuntu/Debian/Mint run `apt install libssl-dev`
 
-* Ensure SQLite3 library is installed on your system and its version is at least  `3.40`. Run `sqlite3 --version` to check your version.
-
 ## Download source
 
 Download from GitHub (HTTPS)

docs/root/manual/getting-started/run-signer-node.md

@@ -81,8 +81,6 @@ This guide is working only on a Linux machine.
 
 * Install OpenSSL development libraries, for example on Ubuntu/Debian/Mint run `apt install libssl-dev`
 
-* Ensure the SQLite3 version is at least `3.35` (released Apr. 2021)
-
 * Install a recent version of `jq` (version `1.6+`) `apt install jq`
 
 * Only for the **production** deployment, install a recent version of [`squid-cache`](http://www.squid-cache.org/) (version `5.2+`) `apt install squid`