JVM_IR KT-34594 strip fake variable initialization during inlining

compiler/testData/codegen/bytecodeText/capturedVarsOptimization/sharedSlotsWithCapturedVars.kt

@@ -17,13 +17,13 @@ fun box(): String {
 }
 
 
-// Shared variable slots (x1, x2):
-// 4 ILOAD 6
-// 4 ISTORE 6
-
 // Temporary variable for 'x2++' + store to fake variable marking the outer `run`:
 // 2 ISTORE 1
 
 // 0 NEW
 // 0 GETFIELD
 // 0 PUTFIELD
+
+// No fake variables for @InlineOnly functions
+// 0 ILOAD 6
+// 0 ISTORE 6