Revert " [LLVM] Fix stack overflow in SCEV"

This reverts commit 8339a7b.

The revert cherry-pick needed to be adjusted manually considering two commits:
- 86502fa
- 82a6156
were causing merge conflicts.

(cherry picked from commit 17c989f)
(cherry picked from commit 6cc111d)
(cherry picked from commit 52cb3ad)

Author: krystian-andrzejewski

IGC/GenISAIntrinsics/CMakeLists.txt

@@ -15,7 +15,6 @@ include_directories("${CMAKE_CURRENT_SOURCE_DIR}")
 
 set(IGC_BUILD__GenISAIntrinsics_GENERATOR_INPUT_FILES
     "${CMAKE_CURRENT_SOURCE_DIR}/Intrinsic_definitions.py"
-    "${CMAKE_CURRENT_SOURCE_DIR}/generator/input/Intrinsic_definitions.yml"
     )
 
 set(IGC_BUILD__GenISAIntrinsics_GENERATOR_SCRIPTS