Remove dealing with descr and url files #3729

Job	Run time
Analyse	8s
Cygwin	6s
Test-macOS (4.14.2)	2m 9s
Build-Linux (4.08.1)	44s
Test-macOS (5.2.0)	1m 53s
Build-macOS (4.14.2)	50s
Build-Linux (4.09.1)	34s
Build-macOS (5.2.0)	1s
Hygiene	15s
Build-Linux (4.10.2)	54s
Build-Linux (4.11.2)	34s
Build-Linux (4.12.1)	47s
Build-Linux (4.13.1)	50s
Build-Linux (5.0.0)	49s
Build-Linux (5.1.1)	42s
Build-Linux (4.14.2)	52s
Build-Linux (5.2.0)	37s
Build-Windows (x86_64-pc-cygwin, x86_64-pc-cygwin, 4.14.2)	8m 17s
Build-Windows (i686-w64-mingw32, x86_64-pc-cygwin, 4.14.2)	6m 22s
Build-Windows (x86_64-w64-mingw32, x86_64-pc-cygwin, 4.14.2)	6m 54s
Build-Windows (i686-pc-windows, x86_64-pc-cygwin, 4.14.2)	7m 55s
Build-Windows (x86_64-pc-windows, x86_64-pc-cygwin, 4.14.2)	8m 35s
Build-Windows (x86_64-w64-mingw32, x86_64-pc-cygwin, 5.2.0)	7m 53s
Cold-Linux	0s
Solvers-Linux	0s
Test-Linux	0s
Upgrade-Linux	0s
Solvers-macOS	0s
Upgrade-macOS	0s
	58m 41s

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