fix(snacks): remove lazygit requirement for git browse/blame keymaps (#4869)

## Description

The Snacks keymaps for `gitbrowse()` and `git.blame_line()` were in a
conditional checking if `lazygit` is installed. But both work without
`lazygit`.

## Related Issue(s)

N/A

## Screenshots

N/A

## Checklist

- [x] I've read the
[CONTRIBUTING](https://github.com/LazyVim/LazyVim/blob/main/CONTRIBUTING.md)
guidelines.

lua/lazyvim/config/keymaps.lua

@@ -138,13 +138,14 @@ end
 if vim.fn.executable("lazygit") == 1 then
   map("n", "<leader>gg", function() Snacks.lazygit( { cwd = LazyVim.root.git() }) end, { desc = "Lazygit (Root Dir)" })
   map("n", "<leader>gG", function() Snacks.lazygit() end, { desc = "Lazygit (cwd)" })
-  map("n", "<leader>gb", function() Snacks.git.blame_line() end, { desc = "Git Blame Line" })
-  map({ "n", "x" }, "<leader>gB", function() Snacks.gitbrowse() end, { desc = "Git Browse" })
   map("n", "<leader>gf", function() Snacks.lazygit.log_file() end, { desc = "Lazygit Current File History" })
   map("n", "<leader>gl", function() Snacks.lazygit.log({ cwd = LazyVim.root.git() }) end, { desc = "Lazygit Log" })
   map("n", "<leader>gL", function() Snacks.lazygit.log() end, { desc = "Lazygit Log (cwd)" })
 end
 
+map("n", "<leader>gb", function() Snacks.git.blame_line() end, { desc = "Git Blame Line" })
+map({ "n", "x" }, "<leader>gB", function() Snacks.gitbrowse() end, { desc = "Git Browse" })
+
 -- quit
 map("n", "<leader>qq", "<cmd>qa<cr>", { desc = "Quit All" })