Do not install license file

File name is incorrect as well; must be LICENSE instead of COPYING.

Upstream-Status: Submitted [pyrophobicman@gmail.com]

Signed-off-by: Stefan Wiehler <stefan.wiehler@missinglinkelectronics.com>

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,5 +13,5 @@
 add_subdirectory (parse-edid)
 
 INSTALL(FILES get-edid.1 DESTINATION share/man/man1)
-INSTALL(FILES AUTHORS ChangeLog COPYING README DESTINATION
+INSTALL(FILES AUTHORS ChangeLog README DESTINATION
 	share/doc/read-edid)