Remove duplicate parameter null checks in JvmStatic delegate methods.

Remove unnecessary non-null parameter checks inside static delegate methods
created for @JvmStatic companion object methods. Allows function generation
strategy decide if such checks need to be injected.

 #KT-7188 Fixed

compiler/testData/codegen/bytecodeText/kt7188.kt

@@ -0,0 +1,46 @@
+// WITH_RUNTIME
+// TARGET_BACKEND: JVM
+
+// FILE: Dummy.kt
+// Empty body to trigger multifile test mode
+
+// FILE: Test.kt
+class TestMethod {
+    companion object {
+        @JvmStatic
+        fun test(s0: String, s1: String?) = s0 + (s1 ?: "null")
+    }
+}
+
+class TestMethodOverloads {
+    companion object {
+        @JvmStatic
+        @JvmOverloads
+        fun test(s0: String = "s0", s1: String = "s1", s2: String = "s2") = s0 + s1 + s2
+    }
+}
+
+class TestProperty {
+    companion object {
+        @JvmStatic
+        var prop: String = "Blah"
+    }
+}
+
+class TestAccessor {
+    companion object {
+        var prop: String = "Blah" @JvmStatic set
+    }
+}
+
+// @TestMethod.class:
+// 0 INVOKESTATIC kotlin/jvm/internal/Intrinsics.checkParameterIsNotNull \(Ljava/lang/Object;Ljava/lang/String;\)V
+
+// @TestMethodOverloads.class:
+// 0 INVOKESTATIC kotlin/jvm/internal/Intrinsics.checkParameterIsNotNull \(Ljava/lang/Object;Ljava/lang/String;\)V
+
+// @TestProperty.class:
+// 0 INVOKESTATIC kotlin/jvm/internal/Intrinsics.checkParameterIsNotNull \(Ljava/lang/Object;Ljava/lang/String;\)V
+
+// @TestAccessor.class:
+// 0 INVOKESTATIC kotlin/jvm/internal/Intrinsics.checkParameterIsNotNull \(Ljava/lang/Object;Ljava/lang/String;\)V