Clean up tsconfig.base.json (#17220)

* Clean up tsconfig.base.json

* revert param name

* Try removing comments

* use newer option again

* revert option again

* more

extensions/sql-database-projects/package.json

@@ -427,7 +427,6 @@
     "sinon": "^9.0.2",
     "tslint": "^5.8.0",
     "typemoq": "^2.1.0",
-    "typescript": "^2.6.1",
     "vscodetestcover": "^1.1.0"
   },
   "__metadata": {

src/tsconfig.base.json

@@ -2,18 +2,16 @@
 	"compilerOptions": {
 		"module": "amd",
 		"moduleResolution": "node",
-		"noImplicitAny": false,
 		"experimentalDecorators": true,
 		"noImplicitReturns": true,
 		"noImplicitOverride": true,
 		"noUnusedLocals": true,
-		"noImplicitThis": true,
-		"alwaysStrict": true,
-		"strictBindCallApply": true,
-		"strictNullChecks": false,
-		"strictPropertyInitialization": false,
 		"allowUnreachableCode": false,
 		"strict": true,
+		// Much of our code isn't strict-null compliant so disable these for now
+		"strictNullChecks": false,
+		// Disable since without strictNullChecks this has lots of errors in both vs and our code
+		"noImplicitAny": false,
 		"strictOptionalProperties": false,
 		"useUnknownInCatchVariables": false,
 		"forceConsistentCasingInFileNames": true,