refactor: remove unused config service

OliverBooth/Services/ConfigurationService.cs

@@ -1,34 +0,0 @@
-using Microsoft.EntityFrameworkCore;
-using OliverBooth.Data;
-
-namespace OliverBooth.Services;
-
-/// <summary>
-///     Represents a service for retrieving configuration values.
-/// </summary>
-public sealed class ConfigurationService
-{
-    private readonly IDbContextFactory<WebContext> _webContextFactory;
-
-    /// <summary>
-    ///     Initializes a new instance of the <see cref="ConfigurationService" /> class.
-    /// </summary>
-    /// <param name="webContextFactory">
-    ///     The <see cref="IDbContextFactory{TContext}" /> for the <see cref="WebContext" />.
-    /// </param>
-    public ConfigurationService(IDbContextFactory<WebContext> webContextFactory)
-    {
-        _webContextFactory = webContextFactory;
-    }
-
-    /// <summary>
-    ///     Gets the value of a site configuration key.
-    /// </summary>
-    /// <param name="key">The key of the site configuration item.</param>
-    /// <returns>The value of the site configuration item.</returns>
-    public string? GetSiteConfiguration(string key)
-    {
-        using WebContext context = _webContextFactory.CreateDbContext();
-        return context.SiteConfiguration.Find(key)?.Value;
-    }
-}