rollback past changes, we don't need anymore IsMoveNext() exposed

Author: MarcoRossignoli

src/coverlet.core/Symbols/CecilSymbolHelper.cs

@@ -20,11 +20,6 @@ public static class CecilSymbolHelper
         private const int StepOverLineCode = 0xFEEFEE;
         private static readonly Regex IsMovenext = new Regex(@"\<[^\s>]+\>\w__\w(\w)?::MoveNext\(\)$", RegexOptions.Compiled | RegexOptions.ExplicitCapture);
 
-        public static bool IsMoveNext(string fullName)
-        {
-            return IsMovenext.IsMatch(fullName);
-        }
-
         public static List<BranchPoint> GetBranchPoints(MethodDefinition methodDefinition)
         {
             var list = new List<BranchPoint>();