Subzero: Delete szdiff.py tests and ERRORS tests.

tests_lit/llvm2ice_tests/bool-opt.ll

 ; Trivial smoke test of icmp without fused branch opportunity.
 
-; RUN: %p2i -i %s --args --verbose inst | FileCheck %s
-; RUN: %p2i -i %s --args --verbose none | FileCheck --check-prefix=ERRORS %s
-; RUN: %p2i -i %s --insts | %szdiff %s | FileCheck --check-prefix=DUMP %s
-
-define void @testBool(i32 %a, i32 %b) {
-entry:
-  %cmp = icmp eq i32 %a, %b
-  %cmp_ext = zext i1 %cmp to i32
-  tail call void @use(i32 %cmp_ext)
-  ret void
-}
+; RUN: %p2i -i %s --args --verbose none | FileCheck %s
 
 ; Check that correct addressing modes are used for comparing two
 ; immediates.
 define void @testIcmpImm() {
 entry:
   %cmp = icmp eq i32 1, 2
   %cmp_ext = zext i1 %cmp to i32
   tail call void @use(i32 %cmp_ext)
   ret void
 }
 ; CHECK-LABEL: testIcmpImm
 ; CHECK-NOT: cmp {{[0-9]+}},
 
 declare void @use(i32)
-
-; CHECK-NOT: ICE translation error
-; ERRORS-NOT: ICE translation error
-; DUMP-NOT: SZ