Set bytecode version to 1.0.0

It was 1.0.2 only because it was introduced as a clone of the metadata version,
which is 1.0.2 at the moment

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/JvmBytecodeBinaryVersion.kt

@@ -27,7 +27,7 @@ class JvmBytecodeBinaryVersion(vararg numbers: Int) : BinaryVersion(*numbers) {
 
     companion object {
         @JvmField
-        val INSTANCE = JvmBytecodeBinaryVersion(1, 0, 2)
+        val INSTANCE = JvmBytecodeBinaryVersion(1, 0, 0)
 
         @JvmField
         val INVALID_VERSION = JvmBytecodeBinaryVersion()