Removes redundant flags from tsconfig (#91050)

Author: BaibhaVatsa

src/tsconfig.base.json

@@ -2,12 +2,9 @@
 	"compilerOptions": {
 		"module": "amd",
 		"moduleResolution": "node",
-		"noImplicitAny": true,
 		"experimentalDecorators": true,
 		"noImplicitReturns": true,
 		"noUnusedLocals": true,
-		"noImplicitThis": true,
-		"alwaysStrict": true,
 		"strict": true,
 		"forceConsistentCasingInFileNames": true,
 		"baseUrl": ".",