C#: tasks.json no longer needed if C# Dev kit is installed.

csharp/.vscode/tasks.json

@@ -1,53 +0,0 @@
-{
-    "version": "2.0.0",
-    "tasks": [
-        {
-            "label": "dotnet build",
-            "command": "dotnet",
-            "type": "shell",
-            "args": [
-                "build",
-                // Ask dotnet build to generate full paths for file names.
-                "/property:GenerateFullPaths=true",
-                // Do not generate summary otherwise it leads to duplicate errors in Problems panel
-                "/consoleloggerparameters:NoSummary"
-            ],
-            "group": "build",
-            "presentation": {
-                "reveal": "always"
-            },
-            "problemMatcher": "$msCompile"
-        },
-        {
-            "label": "dotnet rebuild",
-            "command": "dotnet",
-            "type": "shell",
-            "args": [
-                "build",
-                "--no-incremental",
-                "/property:GenerateFullPaths=true",
-                "/consoleloggerparameters:NoSummary"
-            ],
-            "group": "build",
-            "presentation": {
-                "reveal": "always"
-            },
-            "problemMatcher": "$msCompile"
-        },
-        {
-            "label": "dotnet test",
-            "command": "dotnet",
-            "type": "shell",
-            "args": [
-                "test",
-                "/property:GenerateFullPaths=true",
-                "/consoleloggerparameters:NoSummary"
-            ],
-            "group": "test",
-            "presentation": {
-                "reveal": "always"
-            },
-            "problemMatcher": "$msCompile"
-        }
-    ]
-}