Cleanup: Removed unused interface

Author: OssianEPPlus

src/EPPlus.Fonts.OpenType/Integration/TextFragment.cs

@@ -18,15 +18,6 @@ Date               Author                       Change
 
 namespace EPPlus.Fonts.OpenType.Integration
 {
-
-    public interface IFragInfo
-    {
-        public double AscentPoints { get; }
-        public double DescentPoints { get; }
-
-        public float Size { get; }
-    }
-
     /// <summary>
     /// Represents a text fragment with specific font properties.
     /// </summary>