Error on all uses of this that are implicitly any

Previously it was only an error inside an function.

src/compiler/checker.ts

@@ -8110,7 +8110,7 @@ namespace ts {
                 }
             }
 
-            if (compilerOptions.noImplicitThis && isFunctionLike(container)) {
+            if (compilerOptions.noImplicitThis) {
                 // With noImplicitThis, functions may not reference 'this' if it has type 'any'
                 error(node, Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation);
             }