Remove some legacy code for env detection (#2283)

* Remove unused env detection

* Remove remaining code for env detection

src/drivers/bookmarklet/driver.js

@@ -22,12 +22,6 @@
   function getPageContent() {
     wappalyzer.log('func: getPageContent', 'driver');
 
-    var env = [];
-
-    for ( let i in window ) {
-      env.push(i);
-    }
-
     var scripts = Array.prototype.slice
       .apply(document.scripts)
       .filter(s => s.src)
@@ -42,7 +36,6 @@
 
     wappalyzer.analyze(url, {
       html: html,
-      env: env,
       scripts: scripts
     });
   }

src/wappalyzer.js

@@ -88,10 +88,6 @@ class Wappalyzer {
       if ( data.headers ) {
         promises.push(this.analyzeHeaders(app, data.headers));
       }
-
-      if ( data.env ) {
-        promises.push(this.analyzeEnv(app, data.env));
-      }
     });
 
     if ( data.js ) {
@@ -537,25 +533,6 @@ class Wappalyzer {
     return promises ? Promise.all(promises) : Promise.resolve();
   }
 
-  /**
-   * Analyze environment variables
-   */
-  analyzeEnv(app, envs) {
-    var patterns = this.parsePatterns(app.props.env);
-
-    if ( patterns.length ) {
-      return Promise.resolve();
-    }
-
-    return this.asyncForEach(patterns, pattern => {
-      Object.keys(envs).forEach(env => {
-        if ( pattern.regex.test(envs[env]) ) {
-          this.addDetected(app, pattern, 'env', envs[env]);
-        }
-      })
-    });
-  }
-
   /**
    * Analyze JavaScript variables
    */