Remove WITH_NEW_INFERENCE directive from all tests

This directive anyway does not make test run twice with OI, and with NI
It only once run the test with specific settings (// LANGUAGE)
and ignores irrelevant (OI or NI tags)

compiler/testData/diagnostics/tests/qualifiedExpression/TypeWithError.fir.kt

@@ -1,5 +1,4 @@
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE -UNREACHABLE_CODE
-// !WITH_NEW_INFERENCE
 
 class A {
     class B {

compiler/testData/diagnostics/tests/qualifiedExpression/TypeWithError.kt

@@ -1,5 +1,4 @@
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE -UNREACHABLE_CODE
-// !WITH_NEW_INFERENCE
 
 class A {
     class B {

compiler/testData/diagnostics/tests/qualifiedExpression/calleeExpressionAsCallExpression.fir.kt

@@ -1,2 +1 @@
-// !WITH_NEW_INFERENCE
 val unwrapped = <!UNRESOLVED_REFERENCE!>some<!><<!UNRESOLVED_REFERENCE!>sdf<!>()()<out Any>::unwrap

compiler/testData/diagnostics/tests/qualifiedExpression/calleeExpressionAsCallExpression.kt

@@ -1,2 +1 @@
-// !WITH_NEW_INFERENCE
 val unwrapped = <!UNRESOLVED_REFERENCE!>some<!><!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE{OI}, DEBUG_INFO_MISSING_UNRESOLVED{NI}!><<!><!DEBUG_INFO_MISSING_UNRESOLVED!>sdf<!>()()<out <!DEBUG_INFO_MISSING_UNRESOLVED!>Any<!>>::<!DEBUG_INFO_MISSING_UNRESOLVED!>unwrap<!>

compiler/testData/diagnostics/tests/qualifiedExpression/nullCalleeExpression.fir.kt

@@ -1,4 +1,3 @@
-// !WITH_NEW_INFERENCE
 // NI_EXPECTED_FILE
 
 val unwrapped = some.<!SYNTAX!><<!><!UNRESOLVED_REFERENCE!>cabc<!><!SYNTAX!>$Wrapper<!><<!PROJECTION_ON_NON_CLASS_TYPE_ARGUMENT!>out Any<!>>::<!UNRESOLVED_REFERENCE!>unwrap<!>

compiler/testData/diagnostics/tests/qualifiedExpression/nullCalleeExpression.kt

@@ -1,4 +1,3 @@
-// !WITH_NEW_INFERENCE
 // NI_EXPECTED_FILE
 
 val unwrapped = <!UNRESOLVED_REFERENCE!>some<!>.<!SYNTAX!><<!><!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE{OI}, DEBUG_INFO_MISSING_UNRESOLVED{NI}!>cabc<!><!SYNTAX!>$Wrapper<!><out <!DEBUG_INFO_MISSING_UNRESOLVED!>Any<!>>::<!DEBUG_INFO_MISSING_UNRESOLVED!>unwrap<!>