Remove warning gem (#17765)

Gemfile

@@ -108,7 +108,6 @@ gem "twitter", "~> 7.0" # A Ruby interface to the Twitter API
 gem "uglifier", "~> 4.2" # Uglifier minifies JavaScript files
 gem "validate_url", "~> 1.0" # Library for validating urls in Rails
 gem "vault", "~> 0.17" # Used to store secrets
-gem "warning", "~> 1.2" # Adds custom processing for warnings, including the ability to ignore specific warning messages
 gem "wcag_color_contrast", "~> 0.1" # Detect contrast of colors to determine readability and a11y.
 gem "webpacker", "~> 5.4.3" # Use webpack to manage app-like JavaScript modules in Rails
 

Gemfile.lock

@@ -904,7 +904,6 @@ GEM
     vcr (6.1.0)
     warden (1.2.9)
       rack (>= 2.0.9)
-    warning (1.2.1)
     wcag_color_contrast (0.1.0)
     web-console (4.2.0)
       actionview (>= 6.0.0)
@@ -1094,7 +1093,6 @@ DEPENDENCIES
   validate_url (~> 1.0)
   vault (~> 0.17)
   vcr (~> 6.1)
-  warning (~> 1.2)
   wcag_color_contrast (~> 0.1)
   web-console (~> 4.2)
   webdrivers (~> 5.0)