Remove unnecessary public keyword from interfaces. No logical changes

Author: shs96c

java/src/org/openqa/selenium/chromium/HasLaunchApp.java

@@ -29,5 +29,5 @@ public interface HasLaunchApp {
    *
    * @param id which Chromium app to launch.
    */
-  public void launchApp(String id);
+  void launchApp(String id);
 }

java/src/org/openqa/selenium/chromium/HasPermissions.java

@@ -30,5 +30,5 @@ public interface HasPermissions {
    * @param name what item to set the permission on.
    * @param value what to set the permission to.
    */
-  public void setPermission(String name, String value);
+  void setPermission(String name, String value);
 }

java/src/org/openqa/selenium/firefox/HasFullPageScreenshot.java

@@ -32,5 +32,5 @@ public interface HasFullPageScreenshot {
    * @param outputType target type, @see OutputType
    * @return Object in which is stored information about the screenshot.
    */
-    public <X> X getFullPageScreenshotAs(OutputType<X> outputType);
+  <X> X getFullPageScreenshotAs(OutputType<X> outputType);
 }