refactor: Remove SRA integration (no public API available)

The SRA (Solicitors Regulation Authority) does not provide a public REST API.
Their register is only accessible via their website. Removed all SRA-related
code and added ApiTester tool for testing remaining integrations.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/RealCV.Application/Models/ProfessionalVerificationResult.cs

@@ -1,7 +1,7 @@
 namespace RealCV.Application.Models;
 
 /// <summary>
-/// Result of verifying a professional qualification (FCA, SRA, etc.)
+/// Result of verifying a professional qualification (FCA)
 /// </summary>
 public sealed record ProfessionalVerificationResult
 {
@@ -20,11 +20,6 @@ public sealed record ProfessionalVerificationResult
     public List<string>? ApprovedFunctions { get; init; }
     public List<string>? ControlledFunctions { get; init; }
 
-    // For SRA
-    public string? SolicitorType { get; init; }
-    public string? AdmissionDate { get; init; }
-    public string? PractisingCertificateStatus { get; init; }
-
     public string? VerificationNotes { get; init; }
     public List<ProfessionalVerificationFlag> Flags { get; init; } = [];
 }