Remove fix-db-schema-conflicts gem (#12432)

Gemfile

@@ -124,7 +124,6 @@ group :development do
   gem "bundler-audit", "~> 0.7" # bundler-audit provides patch-level verification for Bundled apps
   gem "derailed_benchmarks", "~> 2.0", require: false # A series of things you can use to benchmark a Rails or Ruby app
   gem "erb_lint", github: "thepracticaldev/erb-lint", branch: "jess/remove-version-pinning", require: false # ERB Linter tool
-  gem "fix-db-schema-conflicts", "~> 3.0" # Ensures consistent output of db/schema.rb despite local differences in the database
   gem "guard", "~> 2.16", require: false # Guard is a command line tool to easily handle events on file system modifications
   gem "guard-livereload", "~> 2.5", require: false # Guard::LiveReload automatically reloads your browser when 'view' files are modified
   gem "guard-rspec", "~> 4.7", require: false # Guard::RSpec automatically run your specs

Gemfile.lock

@@ -298,8 +298,6 @@ GEM
       browser (>= 2.0)
       distribution
       railties (>= 5)
-    fix-db-schema-conflicts (3.0.3)
-      rubocop (>= 0.38.0)
     flipper (0.20.3)
     flipper-active_record (0.20.3)
       activerecord (>= 5.0, < 7)
@@ -882,7 +880,6 @@ DEPENDENCIES
   fastly (~> 2.5)
   feedjira (~> 3.1)
   field_test (~> 0.4)
-  fix-db-schema-conflicts (~> 3.0)
   flipper (~> 0.20.3)
   flipper-active_record (~> 0.20.3)
   flipper-ui (~> 0.20.3)

Rakefile

@@ -4,3 +4,6 @@
 require File.expand_path("config/application", __dir__)
 
 Rails.application.load_tasks
+
+# Use strong_migrations to alphabetize schema columns
+task "db:schema:dump": "strong_migrations:alphabetize_columns"