Remove unneeded Array and Promise JS rewrites (#35482)

Type-argument defaulting is handled elsewhere in the compiler.
This is a small drive-by improvement, so I didn't change the handling of
'array' or 'promise'; they still manually create `any[]` and
`Promise<any>`, respectively.

Author: sandersn

src/compiler/checker.ts

@@ -10921,10 +10921,8 @@ namespace ts {
                     case "function":
                         checkNoTypeArguments(node);
                         return globalFunctionType;
-                    case "Array":
                     case "array":
                         return (!typeArgs || !typeArgs.length) && !noImplicitAny ? anyArrayType : undefined;
-                    case "Promise":
                     case "promise":
                         return (!typeArgs || !typeArgs.length) && !noImplicitAny ? createPromiseType(anyType) : undefined;
                     case "Object":