Removing SWT authentication handler (#10654)

Author: mathewc

src/WebJobs.Script.WebHost/Security/Authentication/Arm/ArmAuthenticationDefaults.cs

@@ -110,7 +110,6 @@ public static void AddScriptPolicies(this AuthorizationOptions options)
 
         private static void AddScriptAuthenticationSchemes(this AuthorizationPolicyBuilder builder)
         {
-            builder.AuthenticationSchemes.Add(ArmAuthenticationDefaults.AuthenticationScheme);
             builder.AuthenticationSchemes.Add(AuthLevelAuthenticationDefaults.AuthenticationScheme);
             builder.AuthenticationSchemes.Add(JwtBearerDefaults.AuthenticationScheme);
         }

src/WebJobs.Script.WebHost/Security/Authentication/Arm/ArmAuthenticationExtensions.cs

@@ -52,7 +52,6 @@ public static IServiceCollection AddWebJobsScriptHostRouting(this IServiceCollec
         public static IServiceCollection AddWebJobsScriptHostAuthentication(this IServiceCollection services)
         {
             services.AddAuthentication()
-                .AddArmToken()
                 .AddScriptAuthLevel()
                 .AddScriptJwtBearer();
 

src/WebJobs.Script.WebHost/Security/Authentication/Arm/ArmAuthenticationHandler.cs

@@ -63,22 +63,6 @@ internal bool ShutdownWebhostWorkerChannelsOnHostShutdown
             }
         }
 
-        /// <summary>
-        /// Gets or sets a value indicating whether SWT tokens should be accepted.
-        /// </summary>
-        internal bool SwtAuthenticationEnabled
-        {
-            get
-            {
-                return GetFeatureAsBooleanOrDefault(ScriptConstants.HostingConfigSwtAuthenticationEnabled, false);
-            }
-
-            set
-            {
-                _features[ScriptConstants.HostingConfigSwtAuthenticationEnabled] = value ? "1" : "0";
-            }
-        }
-
         /// <summary>
         /// Gets or sets a value indicating whether SWT tokens should be sent on outgoing requests.
         /// </summary>

src/WebJobs.Script.WebHost/Security/Authentication/Arm/ArmAuthenticationOptions.cs

@@ -141,7 +141,6 @@ public static class ScriptConstants
         public const string HostingConfigDisableLinuxAppServiceDetailedExecutionEvents = "DisableLinuxExecutionDetails";
         public const string HostingConfigDisableLinuxAppServiceExecutionEventLogBackoff = "DisableLinuxLogBackoff";
         public const string FeatureFlagEnableLegacyDurableVersionCheck = "EnableLegacyDurableVersionCheck";
-        public const string HostingConfigSwtAuthenticationEnabled = "SwtAuthenticationEnabled";
         public const string HostingConfigSwtIssuerEnabled = "SwtIssuerEnabled";
         public const string HostingConfigInternalAuthApisAllowList = "InternalAuthApisAllowList";
         public const string HostingConfigDotNetInProcDisabled = "DotNetInProcDisabled";