We test for the presence of perl and bc and save their path in the
variables PERL_PROG and BC_PROG, but never actually make use of them.
Remove the checks and assignments so qemu-iotests can run even when
bc isn't installed.

Reported-by: Yash Mankad <ymankad@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
---
 tests/qemu-iotests/common.config | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/tests/qemu-iotests/common.config b/tests/qemu-iotests/common.config
index c4b51b3..5ee00a1 100644
--- a/tests/qemu-iotests/common.config
+++ b/tests/qemu-iotests/common.config
@@ -75,18 +75,12 @@ _fatal()
     exit 1
 }
 
-export PERL_PROG="`set_prog_path perl`"
-[ "$PERL_PROG" = "" ] && _fatal "perl not found"
-
 export AWK_PROG="`set_prog_path awk`"
 [ "$AWK_PROG" = "" ] && _fatal "awk not found"
 
 export SED_PROG="`set_prog_path sed`"
 [ "$SED_PROG" = "" ] && _fatal "sed not found"
 
-export BC_PROG="`set_prog_path bc`"
-[ "$BC_PROG" = "" ] && _fatal "bc not found"
-
 export PS_ALL_FLAGS="-ef"
 
 if [ -z "$QEMU_PROG" ]; then
-- 
1.8.3.1