Revert "Verify sizes when trying to read a VBR"

This reverts r234984 since it seems to break some bots (most of them
seemed arm*-selfhost).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234998 91177308-0d34-0410-b5e6-96231b3b80d8

test/Bitcode/invalid.test

@@ -55,8 +55,3 @@ RUN: not llvm-dis -disable-output %p/Inputs/invalid-no-proper-module.bc 2>&1 | \
 RUN:   FileCheck --check-prefix=NO-MODULE %s
 
 NO-MODULE: Malformed IR file
-
-RUN: not llvm-dis -disable-output %p/Inputs/invalid-VBR-too-big.bc 2>&1 | \
-RUN:   FileCheck --check-prefix=HUGE-VBR %s
-
-HUGE-VBR: Invalid record