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/declarationChecks/destructuringDeclarations/FolLoopTypeComponentTypeMismatch.kt

@@ -1,5 +1,4 @@
 // FIR_IDENTICAL
-// !WITH_NEW_INFERENCE
 class A {
     operator fun component1() = 1
     operator fun component2() = 1.0

compiler/testData/diagnostics/tests/declarationChecks/destructuringDeclarations/ForLoopMissingLoopParameter.fir.kt

@@ -1,4 +1,3 @@
-// !WITH_NEW_INFERENCE
 fun useDeclaredVariables() {
     for ((a, b)<!SYNTAX!><!>) {
         a

compiler/testData/diagnostics/tests/declarationChecks/destructuringDeclarations/ForLoopMissingLoopParameter.kt

@@ -1,4 +1,3 @@
-// !WITH_NEW_INFERENCE
 fun useDeclaredVariables() {
     for ((a, b)<!SYNTAX!><!>) {
         <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>a<!>

compiler/testData/diagnostics/tests/declarationChecks/destructuringDeclarations/underscore.fir.kt

@@ -1,4 +1,3 @@
-// !WITH_NEW_INFERENCE
 
 class A {
     operator fun component1() = 1

compiler/testData/diagnostics/tests/declarationChecks/destructuringDeclarations/underscore.kt

@@ -1,4 +1,3 @@
-// !WITH_NEW_INFERENCE
 
 class A {
     operator fun component1() = 1