Removed Unknwon MIR Keys

Author: rastogishubham

llvm/test/DebugInfo/ARM/move-dbg-values-imm-test.mir

@@ -66,8 +66,6 @@ callsUnwindInit: false
 hasEHCatchret:   false
 hasEHScopes:     false
 hasEHFunclets:   false
-isOutlined:      false
-debugInstrRef:   false
 failsVerification: false
 tracksDebugUserValues: false
 registers: