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/syntheticExtensions/samAdapters/InnerClassInGeneric.fir.kt

@@ -1,4 +1,3 @@
-// !WITH_NEW_INFERENCE
 // FILE: KotlinFile.kt
 fun foo(javaClass: JavaClass<Int>): Int {
     val inner = javaClass.createInner<String>()

compiler/testData/diagnostics/tests/syntheticExtensions/samAdapters/InnerClassInGeneric.kt

@@ -1,4 +1,3 @@
-// !WITH_NEW_INFERENCE
 // FILE: KotlinFile.kt
 fun foo(javaClass: JavaClass<Int>): Int {
     val inner = javaClass.createInner<String>()

compiler/testData/diagnostics/tests/syntheticExtensions/samAdapters/NoNamedArgsAllowed.kt

@@ -1,5 +1,4 @@
 // FIR_IDENTICAL
-// !WITH_NEW_INFERENCE
 // FILE: KotlinFile.kt
 fun foo(javaClass: JavaClass) {
     javaClass.doSomething(<!NAMED_ARGUMENTS_NOT_ALLOWED!>p<!> = 1) {

compiler/testData/diagnostics/tests/syntheticExtensions/samAdapters/ParameterTypeAnnotation.kt

@@ -1,5 +1,4 @@
 // FIR_IDENTICAL
-// !WITH_NEW_INFERENCE
 // FILE: KotlinFile.kt
 fun foo(javaInterface: JavaInterface) {
     javaInterface.doIt(<!NULL_FOR_NONNULL_TYPE!>null<!>) { }

compiler/testData/diagnostics/tests/syntheticExtensions/samAdapters/Private.fir.kt

@@ -1,4 +1,3 @@
-// !WITH_NEW_INFERENCE
 // FILE: KotlinFile.kt
 fun foo(javaClass: JavaClass) {
     javaClass.<!INVISIBLE_REFERENCE!>doSomething<!> { }

compiler/testData/diagnostics/tests/syntheticExtensions/samAdapters/Private.kt

@@ -1,4 +1,3 @@
-// !WITH_NEW_INFERENCE
 // FILE: KotlinFile.kt
 fun foo(javaClass: JavaClass) {
     javaClass.<!INVISIBLE_MEMBER!>doSomething<!> <!TYPE_MISMATCH{OI}!>{ }<!>