tests/ssh_linux_malta: Remove duplicated test

Remove duplicated test (probably copy/paste error in
commit 9090d333).
Signed-off-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: NAleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: NAleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <20191019153437.9820-9-f4bug@amsat.org>

tests/acceptance/linux_ssh_mips_malta.py

@@ -152,9 +152,6 @@ class LinuxSSH(Test):
         self.ssh_command_output_contains(
             'cat /proc/interrupts',
             'eth0')
-        self.ssh_command_output_contains(
-            'cat /proc/interrupts',
-            'eth0')
         self.ssh_command_output_contains(
             'cat /proc/devices',
             'input')