Remove test that now doesn't test anything

compiler/noirc_evaluator/src/ssa/opt/constant_folding.rs

@@ -1179,62 +1179,6 @@ mod test {
         assert_eq!(main.dfg[b1].instructions().len(), 0);
     }
 
-    #[test]
-    fn deduplicate_across_non_dominated_blocks() {
-        let src = "
-            brillig(inline) fn main f0 {
-              b0(v0: u32):
-                v2 = lt u32 1000, v0
-                jmpif v2 then: b1, else: b2
-              b1():
-                v4 = add v0, u32 1
-                v5 = lt v0, v4
-                constrain v5 == u1 1
-                jmp b2()
-              b2():
-                v7 = lt u32 1000, v0
-                jmpif v7 then: b3, else: b4
-              b3():
-                v8 = add v0, u32 1
-                v9 = lt v0, v8
-                constrain v9 == u1 1
-                jmp b4()
-              b4():
-                return
-            }
-        ";
-        let ssa = Ssa::from_str(src).unwrap();
-
-        // v4 has been hoisted, although:
-        // - v5 has not yet been removed since it was encountered earlier in the program
-        // - v8 hasn't been recognized as a duplicate of v6 yet since they still reference v4 and
-        //   v5 respectively
-        let expected = "
-            brillig(inline) fn main f0 {
-              b0(v0: u32):
-                v2 = lt u32 1000, v0
-                v4 = add v0, u32 1
-                jmpif v2 then: b1, else: b2
-              b1():
-                v5 = add v0, u32 1
-                v6 = lt v0, v5
-                constrain v6 == u1 1
-                jmp b2()
-              b2():
-                jmpif v2 then: b3, else: b4
-              b3():
-                v8 = lt v0, v4
-                constrain v8 == u1 1
-                jmp b4()
-              b4():
-                return
-            }
-        ";
-
-        let ssa = ssa.fold_constants_using_constraints();
-        assert_normalized_ssa_equals(ssa, expected);
-    }
-
     #[test]
     fn inlines_brillig_call_without_arguments() {
         let src = "