FIX: removed '=>' from string literal

Not consistent with Telescope plugins' quickfix output from other
pickers.  Aligning with them for consistency.

lua/telescope/_extensions/luasnip.lua

@@ -129,7 +129,7 @@ M.luasnip_fn = function(opts)
                     value = entry,
                     filename = entry.context.trigger,
                     display = make_display,
-                    text = string.format(" => %s | %s | %s", entry.ft, entry.context.name, entry.context.description[1] or ''),
+                    text = string.format(" %s | %s | %s", entry.ft, entry.context.name, entry.context.description[1] or ''),
                     ordinal = search_fn(entry),
                     preview_command = function(_, bufnr)
                         local snippet = get_docstring(luasnip, entry.ft, entry.context)