rebar3_lint: "fix" for no_block_expressions

A proper fix would probably be to not avoid it,
but 1. that'd change code, which is not our
priority here, 2. that might not be easy to
achieve when macros are involved

elvis.config

@@ -4,12 +4,16 @@
  [ #{dirs => [ "src"
  ],
  filter => "*.erl",
- ruleset => erl_files
+ ruleset => erl_files,
+ rules => [ {elvis_style, no_block_expressions, disable}
+ ]
  },
  #{dirs => [ "test"
  ],
  filter => "*.erl",
- ruleset => erl_files
+ ruleset => erl_files,
+ rules => [ {elvis_style, no_block_expressions, disable}
+ ]
  }
  ]
  }