docs: remove redundant comments

lua/lsp/codelens/row.lua

@@ -93,9 +93,6 @@ function Row:render(buf)
         }
     end
 
-    -- One extmark per row. Extmarks auto-shift with edits, so multiple from
-    -- prior refreshes can end up on the same row; pick the first and drop
-    -- the rest, then reuse its id for an atomic update.
     local marks = vim.api.nvim_buf_get_extmarks(
         buf,
         NS,

lua/lsp/completion/popup.lua

@@ -257,7 +257,6 @@ function Popup:ensure_buffer()
     vim.bo[bufnr].buftype = "nofile"
     vim.bo[bufnr].bufhidden = "hide"
     vim.bo[bufnr].swapfile = false
-    -- Markdown parser may not be installed; fall back to no highlighting.
     pcall(vim.treesitter.start, bufnr, "markdown")
     self.bufnr = bufnr
     return bufnr