tests: Remove deprecated InOrderCPU tests

This patch removes the three MIPS and SPARC regressions that use the
deprecated InOrderCPU.

This is the first step in completely removing the code from the tree,
avoiding confusion, and focusing all development efforts on the
MinorCPU. Brave new world.

tests/SConscript

@@ -354,7 +354,6 @@ if env['TARGET_ISA'] == 'x86':
 
 configs += ['simple-atomic', 'simple-atomic-mp',
             'simple-timing', 'simple-timing-mp',
-            'inorder-timing',
             'minor-timing', 'minor-timing-mp',
             'o3-timing', 'o3-timing-mp',
             'rubytest', 'memtest', 'memtest-filter',