Remove dealing with descr and url files #3730

Job	Run time
Analyse	5s
Cygwin	5s
Build-macOS (4.14.2)	1m 0s
Build-macOS (5.2.0)	55s
Hygiene	14s
Build-Linux (4.08.1)	36s
Test-macOS (4.14.2)	1m 48s
Build-Linux (4.09.1)	40s
Test-macOS (5.2.0)	1m 50s
Build-Linux (4.10.2)	40s
Build-Linux (4.11.2)	39s
Build-Linux (4.12.1)	51s
Build-Linux (4.13.1)	41s
Build-Linux (5.0.0)	49s
Build-Linux (5.1.1)	45s
Build-Linux (4.14.2)	41s
Build-Linux (5.2.0)	43s
Build-Windows (x86_64-pc-cygwin, x86_64-pc-cygwin, 4.14.2)	8m 23s
Build-Windows (i686-w64-mingw32, x86_64-pc-cygwin, 4.14.2)	6m 9s
Build-Windows (x86_64-w64-mingw32, x86_64-pc-cygwin, 4.14.2)	6m 28s
Build-Windows (i686-pc-windows, x86_64-pc-cygwin, 4.14.2)	7m 47s
Build-Windows (x86_64-pc-windows, x86_64-pc-cygwin, 4.14.2)	7m 53s
Build-Windows (x86_64-w64-mingw32, x86_64-pc-cygwin, 5.2.0)	8m 17s
Upgrade-Linux	0s
Cold-Linux	0s
Solvers-Linux	0s
Test-Linux	0s
Solvers-macOS	0s
Upgrade-macOS	0s
	57m 59s

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