Simplified packpath

Author: dhruvasagar

.github/workflows/ci.yml

@@ -42,4 +42,4 @@ jobs:
       - name: Run unit tests
         env:
           VIM: ${{ steps.vim.outputs.executable }}
-        run: ${VIM} +"set packpath +=${{ github.workspace }},${{ github.workspace }}/vim-table-mode"  +"set hidden" +TestifySuite
+        run: ${VIM} +"set packpath +=.,./vim-testify"  +"set hidden" +TestifySuite