Revert "replace nob with new custom noblike"

This reverts commit 06e1212483.

.vscode/tasks.json

@@ -4,15 +4,15 @@
         {
             "label": "bootstrap",
             "type": "shell",
-            "command": "c++",
-            "args": ["build.cpp", "-o", "build"],
+            "command": "cc",
+            "args": ["build.c", "-o", "build"],
             "windows": {
                 "command": "cl",
-                "args": ["/nologo", "build.cpp"]
+                "args": ["/nologo", "build.c"]
             },
             "group": "build",
             "problemMatcher": [],
-            "detail": "One-time bootstrap: compile build.cpp"
+            "detail": "One-time bootstrap: compile build.c"
         },
         {
             "label": "build",
@@ -63,15 +63,15 @@
         {
             "label": "clean",
             "type": "shell",
-            "command": "${workspaceFolder}/build",
-            "args": ["clean"],
+            "command": "rm",
+            "args": ["-rf", "build_debug", "build_release"],
             "windows": {
-                "command": "${workspaceFolder}/build.exe",
-                "args": ["clean"]
+                "command": "PowerShell",
+                "args": ["-Command", "Remove-Item -Recurse -Force -ErrorAction SilentlyContinue build_debug, build_release"]
             },
             "group": "build",
             "problemMatcher": [],
-            "detail": "Clean build artifacts"
+            "detail": "Remove build directories"
         }
     ]
 }