Remove fesrv

The build error of the application remained unattended for almost a
year.

Fixes #170

run/fesrv.run

@@ -1,54 +0,0 @@
-#
-# Build
-#
-
-build { core init app/fesrv }
-
-create_boot_directory
-
-#
-# Generate config
-#
-
-install_config {
-<config>
-	<parent-provides>
-		<service name="LOG"/>
-		<service name="PD"/>
-		<service name="CPU"/>
-		<service name="SIGNAL"/>
-
-		<!-- some timer implementations need kernel info pages -->
-		<service name="ROM"/>
-
-		<!-- hardware-based timers need I/O resources -->
-		<service name="IO_MEM"/>
-		<service name="IO_PORT"/>
-		<service name="IRQ"/>
-	</parent-provides>
-	<default-route>
-		<any-service> <parent/> <any-child/> </any-service>
-	</default-route>
-	<default caps="100"/>
-	<start name="fesrv">
-		<resource name="RAM" quantum="10M"/>
-		<config>
-			<fesrv image="riscv-image.elf" />
-			<libc stdout="/dev/log" stderr="/dev/log" >
-				<vfs>
-					<rom name="riscv-image.elf"/>
-				</vfs>
-			</libc>
-		</config>
-	</start>
-</config> }
-
-#
-# Boot image
-#
-
-build_boot_image { core init fesrv riscv-image.elf libm.lib.so stdcxx.lib.so libc.lib.so vfs.lib.so ld.lib.so }
-
-append qemu_args " -nographic "
-
-run_genode_until forever