Delete stale TryFormat and {Try}Parse overloads (dotnet/coreclr#16746)

Signed-off-by: dotnet-bot-corefx-mirror <dotnet-bot@microsoft.com>

Author: stephentoub

src/Common/src/CoreLib/System/Byte.cs

@@ -192,10 +192,6 @@ public String ToString(String format, IFormatProvider provider)
             return Number.FormatInt32(m_value, format, provider);
         }
 
-        // TODO https://github.com/dotnet/corefx/issues/25337: Remove this overload once corefx is updated to target the new signatures
-        public bool TryFormat(Span<char> destination, out int charsWritten, string format, IFormatProvider provider) =>
-            TryFormat(destination, out charsWritten, (ReadOnlySpan<char>)format, provider);
-
         public bool TryFormat(Span<char> destination, out int charsWritten, ReadOnlySpan<char> format = default, IFormatProvider provider = null)
         {
             return Number.TryFormatInt32(m_value, format, provider, destination, out charsWritten);

src/Common/src/CoreLib/System/DateTime.cs

@@ -1141,13 +1141,6 @@ public static DateTime ParseExact(String s, String format, IFormatProvider provi
             return (DateTimeParse.ParseExact(s, format, DateTimeFormatInfo.GetInstance(provider), style));
         }
 
-        // TODO https://github.com/dotnet/corefx/issues/25337: Remove this overload once corefx is updated to target the new signatures
-        public static DateTime ParseExact(ReadOnlySpan<char> s, string format, IFormatProvider provider, DateTimeStyles style)
-        {
-            if (format == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.format);
-            return ParseExact(s, (ReadOnlySpan<char>)format, provider, style);
-        }
-
         public static DateTime ParseExact(ReadOnlySpan<char> s, ReadOnlySpan<char> format, IFormatProvider provider, DateTimeStyles style = DateTimeStyles.None)
         {
             DateTimeFormatInfo.ValidateStyles(style, nameof(style));
@@ -1300,10 +1293,6 @@ public String ToString(String format, IFormatProvider provider)
             return DateTimeFormat.Format(this, format, DateTimeFormatInfo.GetInstance(provider));
         }
 
-        // TODO https://github.com/dotnet/corefx/issues/25337: Remove this overload once corefx is updated to target the new signatures
-        public bool TryFormat(Span<char> destination, out int charsWritten, string format, IFormatProvider provider) =>
-            TryFormat(destination, out charsWritten, (ReadOnlySpan<char>)format, provider);
-
         public bool TryFormat(Span<char> destination, out int charsWritten, ReadOnlySpan<char> format = default, IFormatProvider provider = null) =>
             DateTimeFormat.TryFormat(this, destination, out charsWritten, format, DateTimeFormatInfo.GetInstance(provider));
 
@@ -1359,18 +1348,6 @@ public static Boolean TryParseExact(String s, String format, IFormatProvider pro
             return DateTimeParse.TryParseExact(s, format, DateTimeFormatInfo.GetInstance(provider), style, out result);
         }
 
-        // TODO https://github.com/dotnet/corefx/issues/25337: Remove this overload once corefx is updated to target the new signatures
-        public static bool TryParseExact(ReadOnlySpan<char> s, string format, IFormatProvider provider, DateTimeStyles style, out DateTime result)
-        {
-            if (format == null)
-            {
-                result = default;
-                return false;
-            }
-
-            return TryParseExact(s, (ReadOnlySpan<char>)format, provider, style, out result);
-        }
-
         public static bool TryParseExact(ReadOnlySpan<char> s, ReadOnlySpan<char> format, IFormatProvider provider, DateTimeStyles style, out DateTime result)
         {
             DateTimeFormatInfo.ValidateStyles(style, nameof(style));

src/Common/src/CoreLib/System/DateTimeOffset.cs

@@ -669,13 +669,6 @@ public static DateTimeOffset ParseExact(String input, String format, IFormatProv
             return new DateTimeOffset(dateResult.Ticks, offset);
         }
 
-        // TODO https://github.com/dotnet/corefx/issues/25337: Remove this overload once corefx is updated to target the new signatures
-        public static DateTimeOffset ParseExact(ReadOnlySpan<char> input, string format, IFormatProvider formatProvider, DateTimeStyles styles)
-        {
-            if (format == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.format);
-            return ParseExact(input, (ReadOnlySpan<char>)format, formatProvider, styles);
-        }
-
         public static DateTimeOffset ParseExact(ReadOnlySpan<char> input, ReadOnlySpan<char> format, IFormatProvider formatProvider, DateTimeStyles styles = DateTimeStyles.None)
         {
             styles = ValidateStyles(styles, nameof(styles));
@@ -780,10 +773,6 @@ public String ToString(String format, IFormatProvider formatProvider)
             return DateTimeFormat.Format(ClockDateTime, format, DateTimeFormatInfo.GetInstance(formatProvider), Offset);
         }
 
-        // TODO https://github.com/dotnet/corefx/issues/25337: Remove this overload once corefx is updated to target the new signatures
-        public bool TryFormat(Span<char> destination, out int charsWritten, string format, IFormatProvider provider) =>
-            TryFormat(destination, out charsWritten, (ReadOnlySpan<char>)format, provider);
-
         public bool TryFormat(Span<char> destination, out int charsWritten, ReadOnlySpan<char> format = default, IFormatProvider formatProvider = null) =>
             DateTimeFormat.TryFormat(ClockDateTime, destination, out charsWritten, format, DateTimeFormatInfo.GetInstance(formatProvider), Offset);
 
@@ -862,18 +851,6 @@ public static Boolean TryParseExact(String input, String format, IFormatProvider
             return parsed;
         }
 
-        // TODO https://github.com/dotnet/corefx/issues/25337: Remove this overload once corefx is updated to target the new signatures
-        public static bool TryParseExact(ReadOnlySpan<char> input, string format, IFormatProvider formatProvider, DateTimeStyles styles, out DateTimeOffset result)
-        {
-            if (format == null)
-            {
-                result = default;
-                return false;
-            }
-
-            return TryParseExact(input, (ReadOnlySpan<char>)format, formatProvider, styles, out result);
-        }
-
         public static bool TryParseExact(
             ReadOnlySpan<char> input, ReadOnlySpan<char> format, IFormatProvider formatProvider, DateTimeStyles styles, out DateTimeOffset result)
         {