materialdesignicons: Fix glyph F1522

[why]
The glyph 0xF1522 is broken.

See:
ryanoasis#773 (comment)
Templarian/MaterialDesign-Font#9

[how]
Manually edit in fontforge and remove line. Export as simple ttf.

Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>

Author: Finii

src/glyphs/materialdesign/MaterialDesignIconsDesktop.ttf

@@ -14,3 +14,10 @@ python3 generate-glyph-info-from-set.py --start f0001 -end f1af0 -font ../../src
 ```
 
 Open old and new definitions shell script and copy the header from the old file to the autogenerated file. Adapt the values in the new file's header. Remove the last line in the new file (it contains the number of glyphs that is needed for the updated header). Yes, that is some manual labor.
+
+
+## Source bugs fixed
+
+Glyph 0xF1522 is broken in the original font. We fixed that one glyph manually.
+
+See https://github.com/Templarian/MaterialDesign-Font/issues/9