engine: remove -y from fedora (dnf) installation steps

Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>

Author: dvdksn

content/manuals/engine/install/fedora.md

@@ -130,7 +130,7 @@ $ sudo dnf-3 config-manager --add-repo {{% param "download-url-base" %}}/docker-
    command to install:
 
    ```console
-   $ sudo dnf -y install docker-ce-<VERSION_STRING> docker-ce-cli-<VERSION_STRING> containerd.io docker-buildx-plugin docker-compose-plugin
+   $ sudo dnf install docker-ce-<VERSION_STRING> docker-ce-cli-<VERSION_STRING> containerd.io docker-buildx-plugin docker-compose-plugin
    ```
 
    This command installs Docker, but it doesn't start Docker. It also creates a
@@ -179,7 +179,7 @@ download a new file each time you want to upgrade Docker Engine.
    the Docker package.
 
    ```console
-   $ sudo dnf -y install /path/to/package.rpm
+   $ sudo dnf install /path/to/package.rpm
    ```
 
    Docker is installed but not started. The `docker` group is created, but no
@@ -214,8 +214,8 @@ You have now successfully installed and started Docker Engine.
 #### Upgrade Docker Engine
 
 To upgrade Docker Engine, download the newer package files and repeat the
-[installation procedure](#install-from-a-package), using `dnf -y upgrade`
-instead of `dnf -y install`, and point to the new files.
+[installation procedure](#install-from-a-package), using `dnf upgrade`
+instead of `dnf install`, and point to the new files.
 
 {{< include "install-script.md" >}}