[Autobackout][FuncReg]Revert of change: 45ab6e3

fixed issue with cmp eq/ne operand signess

Change-Id: I0929ac55801d2edf3d730245ba16dcefd9a75fbb

Author: aparshin-intel

IGC/VectorCompiler/lib/GenXCodeGen/GenXCisaBuilder.cpp

@@ -4024,12 +4024,10 @@ void GenXKernelBuilder::buildCmp(CmpInst *Cmp, BaleInfo BI,
   case CmpInst::FCMP_OEQ:
   case CmpInst::ICMP_EQ:
     opSpec = ISA_CMP_E;
-    Signed = UNSIGNED;
     break;
   case CmpInst::FCMP_UNE:
   case CmpInst::ICMP_NE:
     opSpec = ISA_CMP_NE;
-    Signed = UNSIGNED;
     break;
   case CmpInst::FCMP_OGT:
     opSpec = ISA_CMP_G;