Remove fourslash test

tests/cases/fourslash/completionsMethodWithThisParameter.ts

@@ -1,20 +0,0 @@
-/// <reference path='fourslash.ts'/>
-
-////class A<T> {
-////    value: T; // Make the type parameter actually matter
-////    ms(this: A<string>) {}
-////    mo(this: A<{}>) {}
-////    mt(this: A<T>) {}
-////    mp<P>(this: A<P>) {}
-////    mps<P extends string>(this: A<P>) {}
-////}
-////
-////const s = new A<string>();
-////const n = new A<number>();
-////s./*s*/;
-////n./*n*/;
-
-verify.completions(
-    { marker: "s", exact: ["value", "ms", "mo", "mt", "mp", "mps"] },
-    { marker: "n", exact: ["value", "mo", "mt", "mp"] },
-);