Fix some codacy issues.

webpages/pools.md

@@ -25,7 +25,7 @@ The VMs should only be accessible via a desktop started by the VM-Operator.
     # systemctl disable gdm
     # systemctl stop gdm
     ```
-   
+
   * Disable `getty` on tty1.
 
     ```console
@@ -55,7 +55,7 @@ The following should actually be configured for any VM.
 The VM-Operator agent runs as a systemd service. Sample configuration
 files can be found
 [here](https://github.com/mnlipp/VM-Operator/tree/main/dev-example/vmop-agent).
-Copy 
+Copy
 
   * `99-vmop-agent.rules` to `/usr/local/lib/udev/rules.d/99-vmop-agent.rules`,
   * `vmop-agent` to `/usr/local/libexec/vmop-agent` and

webpages/upgrading.md

@@ -10,7 +10,7 @@ layout: vm-operator
 ## To version 4.0.0
 
   * The VmViewer conlet has been renamed to VmAccess. This affects the
-    [configuration](https://jdrupes.org/vm-operator/user-gui.html). 
+    [configuration](https://jdrupes.org/vm-operator/user-gui.html).
     Configuration information using the old path
     `/Manager/GuiHttpServer/ConsoleWeblet/WebConsole/ComponentCollector/VmViewer`
     is still accepted for backward compatibility until the next major version,
@@ -24,7 +24,7 @@ layout: vm-operator
 
   * The configuration property `passwordValidity` has been moved from component
     `/Manager/Controller/DisplaySecretMonitor` to
-    `/Manager/Controller/Reconciler/DisplaySecretReconciler`. The old path is 
+    `/Manager/Controller/Reconciler/DisplaySecretReconciler`. The old path is
     still accepted for backward compatibility until the next major version,
     but should be updated.