Remove CommandLine section whose content can be found on the wiki

src/docs/chapter/user/25_CommandLine/00_section_header.adoc

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-[[command-line]]
-= Command Line
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src/docs/chapter/user/25_CommandLine/01_ProB_Cli.adoc

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-[[prob-cli]]
-= ProB CLI
-
-The ProB Cli (command-line interface) offers many of the ProB features
-via command-line. As such, you can run ProB from your shell scripts or
-in your Makefiles. probcli contains a REPL (Read-Eval-Print-Loop) and
-you can also https://github.com/bivab/prob.vim[integrate probcli into an
-editor such as vim]. probcli can also communicate with other tools or
-graphical user interfaces via sockets (this is used by
-<<prob-for-rodin,ProB for Rodin>>).

src/docs/chapter/user/25_CommandLine/ZZ_section_footer.adoc

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