Remove generated codegen tests, move all testData to box/

A single test file will be generated out of box/ directory

compiler/testData/codegen/box/intrinsics/compareTo.kt

@@ -0,0 +1,16 @@
+fun box(): String {
+    val sb = StringBuilder()
+    
+    for (i in -1..1) {
+        for (j in -1..1) {
+            val a = i compareTo j
+            val b = i.compareTo(j)
+            if (a != b) {
+                sb.append("$i compareTo $j:  $a != $b\n")
+            }
+        }
+    }
+    
+    if (sb.length() == 0) return "OK"
+    return "Fail:\n$sb"
+}

compiler/testData/codegen/box/intrinsics/ea35953.kt

@@ -0,0 +1,6 @@
+fun box(): String {
+    if (12.toString() equals "13") {
+        return "Fail"
+    }
+    return "OK"
+}

compiler/testData/codegen/box/intrinsics/longRangeWithExplicitDot.kt

@@ -0,0 +1,6 @@
+fun box(): String {
+  val l: Long = 1
+  val l2: Long = 2
+  val r = l.rangeTo(l2)
+  return if (r.start == l && r.end == l2) "OK" else "fail"
+}

compiler/testData/codegen/box/intrinsics/tostring.kt

@@ -0,0 +1,25 @@
+fun box(): String {
+    if (239.toByte().toString() != (239.toByte() as Byte?).toString()) return "byte failed"
+    if (239.toShort().toString() != (239.toShort() as Short?).toString()) return "short failed"
+    if (239.toInt().toString() != (239.toInt() as Int?).toString()) return "int failed"
+    if (239.toFloat().toString() != (239.toFloat() as Float?).toString()) return "float failed"
+    if (239.toLong().toString() != (239.toLong() as Long?).toString()) return "long failed"
+    if (239.toDouble().toString() != (239.toDouble() as Double?).toString()) return "double failed"
+    if (true.toString() != (true as Boolean?).toString()) return "boolean failed"
+    if ('a'.toChar().toString() != ('a'.toChar() as Char?).toString()) return "char failed"
+
+    if ("${239.toByte()}" != (239.toByte() as Byte?).toString()) return "byte template failed"
+    if ("${239.toShort()}" != (239.toShort() as Short?).toString()) return "short  template failed"
+    if ("${239.toInt()}" != (239.toInt() as Int?).toString()) return "int  template failed"
+    if ("${239.toFloat()}" != (239.toFloat() as Float?).toString()) return "float  template failed"
+    if ("${239.toLong()}" != (239.toLong() as Long?).toString()) return "long  template failed"
+    if ("${239.toDouble()}" != (239.toDouble() as Double?).toString()) return "double  template failed"
+    if ("${true}" != (true as Boolean?).toString()) return "boolean  template failed"
+    if ("${'a'.toChar()}" != ('a'.toChar() as Char?).toString()) return "char  template failed"
+
+    for(b in 0..255) {
+       if("${b.toByte()}" != (b.toByte() as Byte?).toString()) return "byte conversion failed"
+    }
+
+    return "OK"
+}