Remove stale using System.Text.Json.Serialization from all 5 snapshot IngestedChunk.cs files

Co-authored-by: adamsitnik <6011991+adamsitnik@users.noreply.github.com>

Author: Copilot

test/ProjectTemplates/Microsoft.Extensions.AI.Templates.IntegrationTests/Snapshots/aichatweb/aichatweb.A.verified/aichatweb/aichatweb.Web/Services/IngestedChunk.cs

@@ -1,5 +1,4 @@
-using System.Text.Json.Serialization;
-using Microsoft.Extensions.DataIngestion;
+using Microsoft.Extensions.DataIngestion;
 using Microsoft.Extensions.VectorData;
 
 namespace aichatweb.Web.Services;

test/ProjectTemplates/Microsoft.Extensions.AI.Templates.IntegrationTests/Snapshots/aichatweb/aichatweb.A_aoai_aais.verified/aichatweb/aichatweb.Web/Services/IngestedChunk.cs

@@ -1,5 +1,4 @@
-using System.Text.Json.Serialization;
-using Microsoft.Extensions.DataIngestion;
+using Microsoft.Extensions.DataIngestion;
 using Microsoft.Extensions.VectorData;
 
 namespace aichatweb.Web.Services;

test/ProjectTemplates/Microsoft.Extensions.AI.Templates.IntegrationTests/Snapshots/aichatweb/aichatweb._defaults.verified/aichatweb/Services/IngestedChunk.cs

@@ -1,5 +1,4 @@
-using System.Text.Json.Serialization;
-using Microsoft.Extensions.DataIngestion;
+using Microsoft.Extensions.DataIngestion;
 using Microsoft.Extensions.VectorData;
 
 namespace aichatweb.Services;

test/ProjectTemplates/Microsoft.Extensions.AI.Templates.IntegrationTests/Snapshots/aichatweb/aichatweb.o_q.verified/aichatweb/aichatweb.Web/Services/IngestedChunk.cs

@@ -1,5 +1,4 @@
-using System.Text.Json.Serialization;
-using Microsoft.Extensions.DataIngestion;
+using Microsoft.Extensions.DataIngestion;
 using Microsoft.Extensions.VectorData;
 
 namespace aichatweb.Web.Services;

test/ProjectTemplates/Microsoft.Extensions.AI.Templates.IntegrationTests/Snapshots/aichatweb/aichatweb.oai_aais.verified/aichatweb/Services/IngestedChunk.cs

@@ -1,5 +1,4 @@
-using System.Text.Json.Serialization;
-using Microsoft.Extensions.DataIngestion;
+using Microsoft.Extensions.DataIngestion;
 using Microsoft.Extensions.VectorData;
 
 namespace aichatweb.Services;