Merge pull request #2230 from nextcloud/fix-examples-libmagick-extra

fix(examples): `libmagickcore-6.q16-6-extra` is already in the image

Author: joshtrichards

.examples/README.md

@@ -52,9 +52,6 @@ The required steps for each optional/recommended package that is not already in
 #### ffmpeg
 `apt install ffmpeg`
 
-#### imagemagick SVG support
-`apt install libmagickcore-6.q16-6-extra`
-
 #### LibreOffice
 `apt install libreoffice`