Revert "DEV: Add pry-stack_explorer plugin gem (#26732)" (#26739)

This reverts commit 09f5af608f.

Moving all the `pry` gems to the development group broke `rails c` functionality in production

Gemfile

@@ -86,6 +86,8 @@ gem "oj"
 
 gem "pg"
 gem "mini_sql"
+gem "pry-rails", require: false
+gem "pry-byebug", require: false
 gem "rtlcss", require: false
 gem "rake"
 
@@ -144,9 +146,6 @@ group :test, :development do
 
   gem "shoulda-matchers", require: false
   gem "rspec-html-matchers"
-  gem "pry-rails", require: false
-  gem "pry-byebug", require: false
-  gem "pry-stack_explorer", require: false
   gem "byebug", require: ENV["RM_INFO"].nil?, platform: :mri
   gem "rubocop-discourse", require: false
   gem "parallel_tests"

Gemfile.lock

@@ -308,9 +308,6 @@ GEM
       pry (>= 0.13, < 0.15)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    pry-stack_explorer (0.6.1)
-      binding_of_caller (~> 1.0)
-      pry (~> 0.13)
     public_suffix (5.0.5)
     puma (6.4.2)
       nio4r (~> 2.0)
@@ -626,7 +623,6 @@ DEPENDENCIES
   pg
   pry-byebug
   pry-rails
-  pry-stack_explorer
   puma
   rack
   rack-mini-profiler

spec/rails_helper.rb

@@ -19,7 +19,6 @@ require "rbtrace" if RUBY_ENGINE == "ruby"
 require "pry"
 require "pry-byebug"
 require "pry-rails"
-require "pry-stack_explorer"
 require "fabrication"
 require "mocha/api"
 require "certified"