chore(nvim): point typescript-vim submodule back at upstream repo

Now that PR has been merged:

- leafgarland/typescript-vim#203

* aspects/nvim/files/.config/nvim/pack/bundle/opt/typescript-vim 169f678...eafdcf5 (1):
  > Merge pull request #203 from wincent/def-links

.gitmodules

@@ -112,8 +112,7 @@
 	url = https://github.com/wincent/terminus.git
 [submodule "typescript-vim"]
 	path = aspects/nvim/files/.config/nvim/pack/bundle/opt/typescript-vim
-	url = https://github.com/wincent/typescript-vim.git
-	branch = wincent
+	url = https://github.com/leafgarland/typescript-vim.git
 [submodule "undotree"]
 	path = aspects/nvim/files/.config/nvim/pack/bundle/opt/undotree
 	url = https://github.com/mbbill/undotree.git