Remove reference to non-existent System.Net.NameResolution.Unit.Tests.csproj (#55003)

Author: antonfirsov

src/libraries/System.Net.NameResolution/System.Net.NameResolution.sln

@@ -11,8 +11,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "System.Net.NameResolution.F
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "System.Net.NameResolution.Pal.Tests", "tests\PalTests\System.Net.NameResolution.Pal.Tests.csproj", "{72B2CC3A-D66E-4F7E-BFA4-38EE373B5043}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "System.Net.NameResolution.Unit.Tests", "tests\UnitTests\System.Net.NameResolution.Unit.Tests.csproj", "{82007016-ED8D-408E-BA83-DFB3F74B104F}"
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "System.Runtime.CompilerServices.Unsafe", "..\System.Runtime.CompilerServices.Unsafe\ref\System.Runtime.CompilerServices.Unsafe.csproj", "{A3FC70CE-3746-4E03-A92F-0102716FA97E}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "System.Runtime.CompilerServices.Unsafe", "..\System.Runtime.CompilerServices.Unsafe\src\System.Runtime.CompilerServices.Unsafe.ilproj", "{D62E59F2-BDF3-4060-85E0-20D1BB41B95E}"
@@ -34,7 +32,6 @@ Global
 		{00BF602B-F709-4108-9A39-C57A493D3EF8} = {41E915D1-3857-4F01-8576-B24104359E0B}
 		{BE2A4103-7CA0-4DAD-A4AD-F623CBFAD379} = {41E915D1-3857-4F01-8576-B24104359E0B}
 		{72B2CC3A-D66E-4F7E-BFA4-38EE373B5043} = {41E915D1-3857-4F01-8576-B24104359E0B}
-		{82007016-ED8D-408E-BA83-DFB3F74B104F} = {41E915D1-3857-4F01-8576-B24104359E0B}
 		{77720BB9-1319-4BF7-A2DB-B1FC3F20FD1F} = {B9D5A47D-9CA5-4FE1-AFE2-5E85A940B43D}
 		{15B66DCE-70BF-43D6-854D-42A6C840B22C} = {B9D5A47D-9CA5-4FE1-AFE2-5E85A940B43D}
 		{A3FC70CE-3746-4E03-A92F-0102716FA97E} = {B9D5A47D-9CA5-4FE1-AFE2-5E85A940B43D}
@@ -73,10 +70,6 @@ Global
 		{72B2CC3A-D66E-4F7E-BFA4-38EE373B5043}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{72B2CC3A-D66E-4F7E-BFA4-38EE373B5043}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{72B2CC3A-D66E-4F7E-BFA4-38EE373B5043}.Release|Any CPU.Build.0 = Release|Any CPU
-		{82007016-ED8D-408E-BA83-DFB3F74B104F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{82007016-ED8D-408E-BA83-DFB3F74B104F}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{82007016-ED8D-408E-BA83-DFB3F74B104F}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{82007016-ED8D-408E-BA83-DFB3F74B104F}.Release|Any CPU.Build.0 = Release|Any CPU
 		{A3FC70CE-3746-4E03-A92F-0102716FA97E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{A3FC70CE-3746-4E03-A92F-0102716FA97E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A3FC70CE-3746-4E03-A92F-0102716FA97E}.Release|Any CPU.ActiveCfg = Release|Any CPU