Remove no longer used Mix config

Author: alco

packages/elixir-client/mix.exs

@@ -17,17 +17,6 @@ defmodule Electric.Client.MixProject do
       package: package(),
       source_url: "#{@github_repo}/tree/main/packages/elixir-client",
       homepage_url: "https://electric-sql.com",
-      # This will go away after we upgrade Elixir to 1.19, which expects the public `cli/0`
-      # function to be defined instead.
-      preferred_cli_env: [
-        dialyzer: :test,
-        coveralls: :test,
-        "coveralls.detail": :test,
-        "coveralls.post": :test,
-        "coveralls.html": :test,
-        "coveralls.cobertura": :test,
-        "coveralls.lcov": :test
-      ],
       test_coverage: [
         tool: ExCoveralls,
         ignore_modules: [

packages/sync-service/mix.exs

@@ -33,17 +33,6 @@ defmodule Electric.MixProject do
       start_permanent: Mix.env() == :prod,
       deps: deps(),
       aliases: aliases(),
-      # This will go away after we upgrade Elixir to 1.19, which expects the public `cli/0`
-      # function to be defined instead.
-      preferred_cli_env: [
-        dialyzer: :test,
-        coveralls: :test,
-        "coveralls.detail": :test,
-        "coveralls.post": :test,
-        "coveralls.html": :test,
-        "coveralls.cobertura": :test,
-        "coveralls.lcov": :test
-      ],
       releases: [
         electric: [
           applications: @telemetry_applications_in_release,