Update mkdocs-material-insiders (#1603)

docs/advanced/erasing-data.md

@@ -34,5 +34,3 @@ Physical destruction may be necessary to securely erase devices such as memory c
 Securely shredding **individual files** is difficult if not impossible. Copies can exist in a variety of ways such as through manual, or automatic backups, [wear leveling](https://en.wikipedia.org/wiki/Wear_leveling) (on modern [flash storage](https://en.wikipedia.org/wiki/Solid-state_drive)), caching and filesystem [journaling](https://en.wikipedia.org/wiki/Journaling_file_system).
 
 Wear leveled devices do not guarantee a fixed relationship between [logical blocks addressed](https://en.wikipedia.org/wiki/Logical_block_addressing) through the interface. This means that the physical locations in which the data is stored may be different to where it is actually located, so shredding may not provide adequate security.
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docs/advanced/integrating-metadata-removal.en.md

@@ -160,5 +160,3 @@ Windows allows you to place files in a **SendTo** folder which then appear in th
 ### Using the shortcut
 
 1. Right click a supported file and choose **ExifTool.bat** within the *Send to* context menu.
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docs/advanced/signal-configuration-hardening.en.md

@@ -256,5 +256,3 @@ You can find a full list of Molly's [features](https://github.com/mollyim/mollyi
 - Molly removes Signal's Mobilecoin integration.
 - Molly is updated every two weeks to include the latest features and bug fixes from Signal. The exception is security issues, that are patched as soon as possible. That said, you should be aware that there might be a slight delay compared to upstream.
 - By using Molly, you are extending your trust to another party, as you now need to trust the Signal team, as well as the Molly team.
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