AArch64/GlobalISel: Remove IR section from test

(cherry picked from commit 2f779e7)

Author: arsenm

llvm/test/CodeGen/AArch64/GlobalISel/legalize-fptoi.mir

@@ -1,32 +1,5 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
-# RUN: llc -O0 -run-pass=legalizer %s -o - | FileCheck %s
-
---- |
-  target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
-  target triple = "aarch64--"
-
-  define void @test_fptosi_s32_s32() { ret void }
-  define void @test_fptoui_s32_s32() { ret void }
-  define void @test_fptosi_s32_s64() { ret void }
-  define void @test_fptoui_s32_s64() { ret void }
-
-  define void @test_fptosi_s64_s32() { ret void }
-  define void @test_fptoui_s64_s32() { ret void }
-  define void @test_fptosi_s64_s64() { ret void }
-  define void @test_fptoui_s64_s64() { ret void }
-
-  define void @test_fptosi_s1_s32() { ret void }
-  define void @test_fptoui_s1_s32() { ret void }
-
-  define void @test_fptosi_s8_s64() { ret void }
-  define void @test_fptoui_s8_s64() { ret void }
-
-  define void @test_fptosi_s16_s32() { ret void }
-  define void @test_fptoui_s16_s32() { ret void }
-
-  define void @test_fptoui_v4s32() { ret void }
-  define void @test_fptosi_v4s32() { ret void }
-...
+# RUN: llc -mtriple=aarch64-- -O0 -run-pass=legalizer %s -o - | FileCheck %s
 
 ---
 name:            test_fptosi_s32_s32