JVM_IR: redirect to correct function in special brigdes

The fix in MethodSignatureMapper allows us to avoid the hack
with orphanedCopy() in BridgeLowering.

compiler/testData/codegen/box/bridges/strListRemove.kt

@@ -1,6 +1,5 @@
 // IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
-// IGNORE_BACKEND: JVM_IR
 
 // FILE: J.java
 

compiler/testData/codegen/box/collections/removeAtInt.kt

@@ -1,5 +1,4 @@
 // IGNORE_BACKEND_FIR: JVM_IR
-// IGNORE_BACKEND: JVM_IR
 // TARGET_BACKEND: JVM
 
 // FILE: J.java

compiler/testData/codegen/box/specialBuiltins/bridgeNotEmptyMap.kt

@@ -1,5 +1,4 @@
 // IGNORE_BACKEND_FIR: JVM_IR
-// IGNORE_BACKEND: JVM_IR
 // IGNORE_BACKEND: JS
 
 private object NotEmptyMap : MutableMap<Any, Int> {

compiler/testData/codegen/box/specialBuiltins/bridges.kt

@@ -1,6 +1,5 @@
 // IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
-// IGNORE_BACKEND: JVM_IR
 // IGNORE_BACKEND: NATIVE
 
 interface A0 {