remove redundant code

MediaBrowser.Common/Extensions/SplitStringExtensions.cs

@@ -86,13 +86,6 @@ namespace MediaBrowser.Common.Extensions
                     return true;
                 }
 
-                if (index < span.Length - 1 && span[index] == _separator)
-                {
-                    Current = span.Slice(0, index);
-                    _str = span[(index + 1)..];
-                    return true;
-                }
-
                 Current = span.Slice(0, index);
                 _str = span[(index + 1)..];
                 return true;

tests/Jellyfin.Server.Implementations.Tests/Data/SqliteItemRepositoryTests.cs

@@ -96,7 +96,7 @@ namespace Jellyfin.Server.Implementations.Tests.Data
         [MemberData(nameof(ItemImageInfoFromValueString_Valid_TestData))]
         public void ItemImageInfoFromValueString_Valid_Success(string value, ItemImageInfo expected)
         {
-            var result = _sqliteItemRepository.ItemImageInfoFromValueString(value.AsSpan());
+            var result = _sqliteItemRepository.ItemImageInfoFromValueString(value);
             Assert.Equal(expected.Path, result.Path);
             Assert.Equal(expected.Type, result.Type);
             Assert.Equal(expected.DateModified, result.DateModified);
@@ -111,7 +111,7 @@ namespace Jellyfin.Server.Implementations.Tests.Data
         [InlineData("https://image.tmdb.org/t/p/original/zhB5CHEgqqh4wnEqDNJLfWXJlcL.jpg*0")]
         public void ItemImageInfoFromValueString_Invalid_Null(string value)
         {
-            Assert.Null(_sqliteItemRepository.ItemImageInfoFromValueString(value.AsSpan()));
+            Assert.Null(_sqliteItemRepository.ItemImageInfoFromValueString(value));
         }
 
         public static IEnumerable<object[]> DeserializeImages_Valid_TestData()