K2: get rid of manual diagnostic suppression in checkers

compiler/fir/analysis-tests/testData/resolve/suppress/withSuppression2.kt

@@ -0,0 +1,24 @@
+abstract class A
+
+fun foo(i: Int) {}
+
+<!VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION!>value<!> class B(val i: Int) : @Suppress("VALUE_CLASS_CANNOT_EXTEND_CLASSES") A() {
+    @Suppress("SECONDARY_CONSTRUCTOR_WITH_BODY_INSIDE_VALUE_CLASS")
+    constructor() : this(42) {
+        foo(i)
+    }
+
+    @Suppress("ABSTRACT_PROPERTY_IN_NON_ABSTRACT_CLASS")
+    abstract val y: Int
+}
+
+interface C {
+    @Suppress("PRIVATE_PROPERTY_IN_INTERFACE")
+    private val x: Int
+
+    @Suppress("METHOD_OF_ANY_IMPLEMENTED_IN_INTERFACE")
+    override fun hashCode() = 42
+}
+
+<!MUST_BE_INITIALIZED!>@Suppress("PROPERTY_WITH_NO_TYPE_NO_INITIALIZER")
+val z<!>