web content debugging support is now automatic

WebView 113.0.5656.0 and later has web content debugging enabled
automatically when the app is debuggable.

Author: thestinger

app/src/main/java/app/grapheneos/pdfviewer/PdfViewer.java

@@ -300,10 +300,6 @@ protected void onCreate(Bundle savedInstanceState) {
 
         binding.webview.setBackgroundColor(Color.TRANSPARENT);
 
-        if (BuildConfig.DEBUG) {
-            WebView.setWebContentsDebuggingEnabled(true);
-        }
-
         final WebSettings settings = binding.webview.getSettings();
         settings.setAllowContentAccess(false);
         settings.setAllowFileAccess(false);