Enable strict mode for VS Code core

Fixes #81574

.vscode/tasks.json

@@ -31,20 +31,6 @@
 				}
 			}
 		},
-		{
-			"type": "npm",
-			"script": "strict-function-types-watch",
-			"label": "TS - Strict Function Types",
-			"isBackground": true,
-			"presentation": {
-				"reveal": "never"
-			},
-			"problemMatcher": {
-				"base": "$tsc-watch",
-				"owner": "typescript-function-types",
-				"applyTo": "allDocuments"
-			}
-		},
 		{
 			"label": "Run tests",
 			"type": "shell",

src/tsconfig.base.json

@@ -8,9 +8,7 @@
 		"noUnusedLocals": true,
 		"noImplicitThis": true,
 		"alwaysStrict": true,
-		"strictBindCallApply": true,
-		"strictNullChecks": true,
-		"strictPropertyInitialization": true,
+		"strict": true,
 		"forceConsistentCasingInFileNames": true,
 		"baseUrl": ".",
 		"paths": {