remove compatibilityGuartd helper

scripts/build-funcs.js

@@ -19,19 +19,6 @@ import path from 'path';
 import { minify } from 'terser';
 import { addCall, attachDependencies } from '../src/helpers/injector';
 import { writeFile } from './helpers';
-import { checkCompatibility } from '../src/helpers';
-
-/**
- * Creates compatibility guard string
- * to be injected into scriptlets
- *
- * @returns {string}
- */
-function prepareCompatibilityGuard() {
-    const compatibilityGuard = checkCompatibility;
-    const compatibilityGuardString = attachDependencies(compatibilityGuard);
-    return `${compatibilityGuardString}\n${compatibilityGuard.name}()`;
-}
 
 /**
  * Method creates string for file with scriptlets functions,
@@ -41,7 +28,7 @@ function prepareCompatibilityGuard() {
  */
 const getScriptletFunctionsString = () => {
     function wrapInFunc(name, code) {
-        return `function ${name}(source, args){\n${prepareCompatibilityGuard()}\n${code}\n}`;
+        return `function ${name}(source, args){\n${code}\n}`;
     }
     // we require scriptlets list dynamically, because scriptletsList file can be not built in the
     // moment of this script execution

src/helpers/index.js

@@ -31,4 +31,3 @@ export * from './parse-flags';
 export * from './parse-keyword-value';
 export * from './random-id';
 export * from './throttle';
-export * from './check-compatibility';