[Passes] Remove LoopInterchange from O1 pipeline (#145071)

This is a fairly exotic pass, I don't think it makes a lot of sense to
run it at O1, esp. as vectorization wouldn't run at O1 anyway.

Author: nikic

llvm/lib/Passes/PassBuilderPipelines.cpp

@@ -501,9 +501,6 @@ PassBuilder::buildO1FunctionSimplificationPipeline(OptimizationLevel Level,
 
   LPM2.addPass(LoopDeletionPass());
 
-  if (PTO.LoopInterchange)
-    LPM2.addPass(LoopInterchangePass());
-
   // Do not enable unrolling in PreLinkThinLTO phase during sample PGO
   // because it changes IR to makes profile annotation in back compile
   // inaccurate. The normal unroller doesn't pay attention to forced full unroll