Remove install target for non-existant directory.

--- a/src/CMakeLists.txt	2015-09-13 20:52:28.517344327 +0200
+++ b/src/CMakeLists.txt	2015-09-13 20:53:04.842453987 +0200
@@ -122,12 +122,6 @@
 		DESTINATION
 			${CMAKE_INSTALL_PREFIX}/share/applications
 	)
-	install(
-		FILES
-			${MARS_SOURCE_DIR}/resources/mars
-		DESTINATION
-			${CMAKE_INSTALL_PREFIX}/share/menu
-	)
 
 else(UNIX)
 	# executable
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f988041e4e'>gnu: bootloader: Add orangepi-r1-plus-lts-rk3328 bootloader.</a><span class='msg-avail'>...</span></td><td>Herman Rimm</td></tr>
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<tr><td><span title='2023-01-18 21:25:25 -0500'>2023-01-18</span></td><td><a href='/guix/commit/gnu/bootloader?id=9530ee9f9c89cbbf35589727e9fdb373ed7f47fa'>gnu: Add u-boot-ts7970-q-2g-1000mhz-c-bootloader.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
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<tr><td><span title='2022-12-07 23:19:56 -0500'>2022-12-07</span></td><td><a href='/guix/commit/gnu/bootloader?id=f76ed96f934fc83bb0f974396941c6a90a90e9fc'>bootloaders: grub: Fix comment.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-12-01 14:31:28 -0500'>2022-12-01</span></td><td><a href='/guix/commit/gnu/bootloader?id=a9acbf919a7668e26863d2d26d48c5fd41b57fcd'>gnu: bootloader: Rework chaining, add grub-efi-netboot-removable-bootloader.</a><span class='msg-avail'>...</span></td><td>Stefan</td></tr>
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<tr><td><span title='2022-06-24 10:21:06 +0200'>2022-06-24</span></td><td><a href='/guix/commit/gnu/bootloader?id=62c86c8391ceb8953ca972498fd75ea9298b85ff'>image: Add support for 32bit UEFI.</a><span class='msg-avail'>...</span></td><td>Denis 'GNUtoo' Carikli</td></tr>
<tr><td><span title='2022-06-06 22:43:30 +0200'>2022-06-06</span></td><td><a href='/guix/commit/gnu/bootloader?id=618f665a5ffc6330bc99c4ac2b1077c1e1a7506c'>bootloader: grub: Add removable grub-efi bootloader option.</a><span class='msg-avail'>...</span></td><td>Karl Hallsby</td></tr>