publicField -> JvmField

Effectively drop publicField and introduce JvmField (which has the same effect for now)
Implement frontend checks for @JvmField
Replace publicField -> JvmField in test data

compiler/testData/diagnostics/testsWithStdLib/annotations/jvmField/inMultiFileFacade.kt

@@ -0,0 +1,13 @@
+@file:kotlin.jvm.JvmMultifileClass
+@file:JvmName("SomeName")
+
+<!INAPPLICABLE_JVM_FIELD!>@JvmField<!>
+val c = 4
+
+<!INAPPLICABLE_JVM_FIELD!>@JvmField<!>
+var g = 5
+
+class C {
+    @JvmField
+    var g = 5
+}