[java] Removing RemoteStatus as it was deprecated. (SeleniumHQ#15712)

* [java] Removing RemoteStatus as it was deprecated.

Also ScreenshotException.getBase64EncodedScreenshot()

* [py] Fixing FF context test for Python

Author: diemol

java/src/org/openqa/selenium/remote/RemoteStatus.java

@@ -32,9 +32,4 @@ public ScreenshotException(Throwable cause) {
   public ScreenshotException(String message, Throwable cause) {
     super(message, cause);
   }
-
-  @Deprecated(forRemoval = true)
-  public String getBase64EncodedScreenshot() {
-    return null;
-  }
 }

java/src/org/openqa/selenium/remote/ScreenshotException.java

@@ -24,6 +24,7 @@
 @pytest.fixture
 def options():
     options = FirefoxOptions()
+    options.add_argument("-remote-allow-system-access")
     return options