chore: remove std directory (#9361)

This removes the std folder from the tree.

Various parts of the tests are pretty tightly dependent 
on std (47 direct imports and 75 indirect imports, not 
counting the cli tests that use them as fixtures) so I've 
added std as a submodule for now.

1 files changed, 0 insertions, 49 deletions

diff --git a/std/_util/deep_assign.ts b/std/_util/deep_assign.ts
deleted file mode 100644
index d38788add..000000000
--- a/std/_util/deep_assign.ts
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
-import { assert } from "./assert.ts";
-
-export function deepAssign<T, U>(target: T, source: U): T & U;
-export function deepAssign<T, U, V>(
-  target: T,
-  source1: U,
-  source2: V,
-): T & U & V;
-export function deepAssign<T, U, V, W>(
-  target: T,
-  source1: U,
-  source2: V,
-  source3: W,
-): T & U & V & W;
-export function deepAssign(
-  // deno-lint-ignore no-explicit-any
-  target: Record<string, any>,
-  // deno-lint-ignore no-explicit-any
-  ...sources: any[]
-): // deno-lint-ignore ban-types
-object | undefined {
-  for (let i = 0; i < sources.length; i++) {
-    const source = sources[i];
-    if (!source || typeof source !== `object`) {
-      return;
-    }
-    Object.entries(source).forEach(([key, value]): void => {
-      if (value instanceof Date) {
-        target[key] = new Date(value);
-        return;
-      }
-      if (!value || typeof value !== `object`) {
-        target[key] = value;
-        return;
-      }
-      if (Array.isArray(value)) {
-        target[key] = [];
-      }
-      // value is an Object
-      if (typeof target[key] !== `object` || !target[key]) {
-        target[key] = {};
-      }
-      assert(value);
-      deepAssign(target[key] as Record<string, unknown>, value);
-    });
-  }
-  return target;
-}