Remove old benchmarks project (#1066)

Author: JamesNK

Grpc.DotNet.sln

@@ -37,8 +37,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FunctionalTestsWebsite", "t
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "benchmarkapps", "benchmarkapps", "{1B8B6117-CE39-4580-BAFA-D8026102767A}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BenchmarkClient", "perf\benchmarkapps\BenchmarkClient\BenchmarkClient.csproj", "{B10D4986-25D2-4414-B500-627D89505914}"
-EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Shared", "Shared", "{310E5783-455A-4D09-A7AE-39DC2AB09504}"
 	ProjectSection(SolutionItems) = preProject
 		perf\benchmarkapps\Shared\benchmark_service.proto = perf\benchmarkapps\Shared\benchmark_service.proto
@@ -142,10 +140,6 @@ Global
 		{7B95289B-4992-4C0D-B26F-8EC58F81FC96}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{7B95289B-4992-4C0D-B26F-8EC58F81FC96}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{7B95289B-4992-4C0D-B26F-8EC58F81FC96}.Release|Any CPU.Build.0 = Release|Any CPU
-		{B10D4986-25D2-4414-B500-627D89505914}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{B10D4986-25D2-4414-B500-627D89505914}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{B10D4986-25D2-4414-B500-627D89505914}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{B10D4986-25D2-4414-B500-627D89505914}.Release|Any CPU.Build.0 = Release|Any CPU
 		{98500D54-FC3F-4A42-B74D-51930C19B175}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{98500D54-FC3F-4A42-B74D-51930C19B175}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{98500D54-FC3F-4A42-B74D-51930C19B175}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -254,7 +248,6 @@ Global
 		{BF1393D4-6099-4EF9-85BB-7EE6CBEB920C} = {59C7B1F0-EE4D-4098-8596-0ADDBC305234}
 		{7B95289B-4992-4C0D-B26F-8EC58F81FC96} = {59C7B1F0-EE4D-4098-8596-0ADDBC305234}
 		{1B8B6117-CE39-4580-BAFA-D8026102767A} = {4163E1B3-4D75-46B4-9107-9A158FD708FC}
-		{B10D4986-25D2-4414-B500-627D89505914} = {1B8B6117-CE39-4580-BAFA-D8026102767A}
 		{310E5783-455A-4D09-A7AE-39DC2AB09504} = {1B8B6117-CE39-4580-BAFA-D8026102767A}
 		{98500D54-FC3F-4A42-B74D-51930C19B175} = {4163E1B3-4D75-46B4-9107-9A158FD708FC}
 		{A551D7B1-D75A-43F0-A8E3-BAEA5EDF616A} = {59C7B1F0-EE4D-4098-8596-0ADDBC305234}