improve csharp tests

Author: waruqi

tests/projects/csharp/console/xmake.lua

@@ -2,5 +2,4 @@ add_rules("mode.debug", "mode.release")
 
 target("test")
     set_kind("binary")
-    add_rules("csharp")
     add_files("src/Program.cs")

tests/projects/csharp/console_with_runtime_json/xmake.lua

@@ -2,6 +2,5 @@ add_rules("mode.debug", "mode.release")
 
 target("app")
     set_kind("binary")
-    add_rules("csharp")
     add_files("src/Program.cs")
     set_rundir("src")

tests/projects/csharp/multiple_library/xmake.lua

@@ -2,17 +2,14 @@ add_rules("mode.debug", "mode.release")
 
 target("libalpha")
     set_kind("shared")
-    add_rules("csharp")
     add_files("src/libalpha/*.cs")
 
 target("libbeta")
     set_kind("shared")
-    add_rules("csharp")
     add_deps("libalpha")
     add_files("src/libbeta/*.cs")
 
 target("sample")
     set_kind("binary")
-    add_rules("csharp")
     add_deps("libbeta")
     add_files("src/sample/*.cs")

tests/projects/csharp/nuget_package/xmake.lua

@@ -3,6 +3,5 @@ add_requires("nuget::Humanizer.Core 2.14.1")
 
 target("app")
     set_kind("binary")
-    add_rules("csharp")
     add_files("src/Program.cs")
     add_packages("nuget::Humanizer.Core")

tests/projects/csharp/shared_library/xmake.lua

@@ -2,11 +2,9 @@ add_rules("mode.debug", "mode.release")
 
 target("mylib")
     set_kind("shared")
-    add_rules("csharp")
     add_files("src/lib/*.cs")
 
 target("app")
     set_kind("binary")
-    add_rules("csharp")
     add_deps("mylib")
     add_files("src/app/*.cs")

tests/projects/csharp/web_project/xmake.lua

@@ -2,6 +2,5 @@ add_rules("mode.debug", "mode.release")
 
 target("webapp")
     set_kind("binary")
-    add_rules("csharp")
     add_values("csharp.sdk", "Microsoft.NET.Sdk.Web")
     add_files("src/Program.cs")