Removing certain repeatable lines on a blog site with almost 600 posts (at the time of drafting) is impossible task (if you do it manually of course), so you got to rely on regular expressions (regex) as an only feasible option. Here’s a neat trick you could try to delete selected lines with regex.
Prerequisites
- VSCode
Solution
Step 1. Click on the Search (🔎) icon, on the top left (Command + Shift + F on macOS).
Step 2. Enable regex by clicking on .*. 
Step 3. Let’s try matching every line that starts with tags.
tags: \[.+\n
\[.+\n breakdown:
\[: escape special character[..: match any character.+: one or more times.\n: new line.
Step 4. Click on the Replace box, and hit Shift + Enter (macOS).
If that doesn’t work, try with one of the following: Alt + Enter, Ctlr + Shift + K, or Command + Shift + K (macOS).
Step 5. Finally, click Replace All button found just on the right side (Option + Command + Enter on macOS).
remove empty lines in VSCode
Step 1. In the search box, enable regex (take a look at Step 2 above).
Step 2. In the Find box, type: \n\n.
Step 3. In the Replace box, type: \n.
Step 4. Click Replace All.
Conclusion
Related post: Wildcard regex in VSCode.
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