Fixed toc.yml to add the proactive grub config to the correct section

Author: ZiedMB

articles/virtual-machines/troubleshooting/toc.yml

@@ -114,6 +114,8 @@
       href: serial-console-grub-single-user-mode.md
     - name: Serial Console NMI/SysRq
       href: serial-console-nmi-sysrq.md
+    - name: Serial console grub proactive configuration
+      href: serial-console-grub-proactive-configuration.md
   - name: Serial Console for Windows
     href: serial-console-windows.md
     items:
@@ -125,8 +127,6 @@
     href: serial-console-power-options.md
   - name: Common Serial Console errors
     href: serial-console-errors.md
-  - name: Serial console grub proactive configuration
-    href: serial-console-grub-proactive-configuration.md
 - name: Errors when deleting storage resources
   href: storage-resource-deletion-errors.md
 - name: Errors when deleting classic storage resources