enhancement: #660 remove unused @vueuse package

[codetheorist]

Closes #660 .

Having checked the code base, the only usage of the @vueuse package is in the package manifest and lcok files, therefore this is safe to remove.

Checklist:

• [*] issue number linked above after pound (#)
  • replace "Closes " with "Contributes to" or other if this PR does not close the issue
• [*] manually checked my feature / checking not applicable
• [*] wrote tests / testing not applicable
• [*] attached screenshots / screenshot not applicable

[codetheorist]

No point in leaving open if changes are in another PR.