Remove annoying/imperfect warning about __DEV__ minification.

apollographql#8347 (comment)

src/utilities/globals/__DEV__.ts

@@ -1,43 +1,19 @@
-import { invariant } from "ts-invariant";
-
 import global from "../common/global";
 import { maybe } from "../common/maybe";
 
 function getDEV() {
   try {
     return Boolean(__DEV__);
   } catch {
-    const maybeNodeEnv = maybe(() => process.env.NODE_ENV);
-    const runningInNode = !!maybe(() => process.versions.node);
-
     Object.defineProperty(global, "__DEV__", {
       // In a buildless browser environment, maybe(() => process.env.NODE_ENV)
       // evaluates as undefined, so __DEV__ becomes true by default, but can be
       // initialized to false instead by a script/module that runs earlier.
-      value: maybeNodeEnv !== "production",
+      value: maybe(() => process.env.NODE_ENV) !== "production",
       enumerable: false,
       configurable: true,
       writable: true,
     });
-
-    if (maybeNodeEnv && !runningInNode) {
-      // Issue this warning only if the developer has some sort of configuration
-      // that provides process.env.NODE_ENV already (and we're not running in
-      // Node.js), since they probably have an existing minifier configuration
-      // (e.g. using terser's global_defs option or webpack's DefinePlugin) that
-      // can be adapted to replace __DEV__ with false, similar to replacing
-      // process.env.NODE_ENV with a string literal.
-      invariant.log([
-        "Apollo Client has provided a default value for the __DEV__ constant " +
-        `(${global.__DEV__}), but you may be able to reduce production bundle ` +
-        "sizes by configuring your JavaScript minifier to replace __DEV__ with " +
-        "false, allowing development-only code to be stripped from the bundle.",
-        "",
-        "For more information about the switch to __DEV__, see " +
-        "https://github.com/apollographql/apollo-client/pull/8347.",
-      ].join("\n"));
-    }
-
     return global.__DEV__;
   }
 }