Switch to auto generated IR tree

Co-authored-by: Alexander Udalov <alexander.udalov@jetbrains.com>

settings.gradle

@@ -123,6 +123,7 @@ include ":benchmarks",
         ":kotlin-compiler-runner",
         ":compiler:cli-common",
         ":compiler:ir.tree",
+        ":compiler:ir.tree:tree-generator",
         ":compiler:ir.tree.impl",
         ":compiler:ir.psi2ir",
         ":compiler:ir.ir2cfg",
@@ -667,6 +668,7 @@ project(':kotlin-compiler-runner-unshaded').projectDir = "$rootDir/compiler/comp
 project(':kotlin-compiler-runner').projectDir = "$rootDir/compiler/compiler-runner" as File
 project(':kotlin-ant').projectDir = "$rootDir/ant" as File
 project(':compiler:ir.tree').projectDir = "$rootDir/compiler/ir/ir.tree" as File
+project(':compiler:ir.tree:tree-generator').projectDir = "$rootDir/compiler/ir/ir.tree/tree-generator" as File
 project(':compiler:ir.tree.impl').projectDir = "$rootDir/compiler/ir/ir.tree.impl" as File
 project(':compiler:ir.psi2ir').projectDir = "$rootDir/compiler/ir/ir.psi2ir" as File
 project(':compiler:ir.ir2cfg').projectDir = "$rootDir/compiler/ir/ir.ir2cfg" as File