[upstream_utils] Remove Eigen intellisense fix (#7397)

FRC Code intellisense continued to work in developerRobot with a QR
decomposition.

upstream_utils/eigen_patches/0002-Intellisense-fix.patch

@@ -1,27 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Peter Johnson <johnson.peter@gmail.com>
-Date: Fri, 20 Jan 2023 23:41:56 -0800
-Subject: [PATCH 2/2] Intellisense fix
-
----
- Eigen/src/Core/util/ConfigureVectorization.h | 7 +++++++
- 1 file changed, 7 insertions(+)
-
-diff --git a/Eigen/src/Core/util/ConfigureVectorization.h b/Eigen/src/Core/util/ConfigureVectorization.h
-index 47ddd4f8ae33405f2a6600dc33bd3d07a668e63f..d0fd181ecfdeb9a80e065b1d81e8860d6a6ad57c 100644
---- a/Eigen/src/Core/util/ConfigureVectorization.h
-+++ b/Eigen/src/Core/util/ConfigureVectorization.h
-@@ -174,6 +174,13 @@
- 
- //----------------------------------------------------------------------
- 
-+// Disable vectorization in intellisense
-+#ifdef __INTELLISENSE__
-+#ifndef EIGEN_DONT_VECTORIZE
-+#define EIGEN_DONT_VECTORIZE
-+#endif
-+#endif
-+
- // if alignment is disabled, then disable vectorization. Note: EIGEN_MAX_ALIGN_BYTES is the proper check, it takes into
- // account both the user's will (EIGEN_MAX_ALIGN_BYTES,EIGEN_DONT_ALIGN) and our own platform checks
- #if EIGEN_MAX_ALIGN_BYTES == 0

wpimath/src/main/native/thirdparty/eigen/include/Eigen/src/Core/util/ConfigureVectorization.h

@@ -174,13 +174,6 @@
 
 //----------------------------------------------------------------------
 
-// Disable vectorization in intellisense
-#ifdef __INTELLISENSE__
-#ifndef EIGEN_DONT_VECTORIZE
-#define EIGEN_DONT_VECTORIZE
-#endif
-#endif
-
 // if alignment is disabled, then disable vectorization. Note: EIGEN_MAX_ALIGN_BYTES is the proper check, it takes into
 // account both the user's will (EIGEN_MAX_ALIGN_BYTES,EIGEN_DONT_ALIGN) and our own platform checks
 #if EIGEN_MAX_ALIGN_BYTES == 0