null-ls: cljstyle formatter not recognised

Adding unrecognised formatter will break the other configuration
options, e.g. markdownlint.yaml configuration file location

Author: practicalli-johnny

plugins/null-ls.lua

@@ -11,7 +11,6 @@ return {
       -- Set a formatter
       -- null_ls.builtins.formatting.stylua,
       -- null_ls.builtins.formatting.prettier,
-      null_ls.builtins.formatting.cljstyle,
 
       null_ls.builtins.formatting.markdownlint.with {
         -- pass arguments to modify/override the null-ls builtin configuration