remove unused "authorized-regexp" VTY command

This is another left-over VTY command from the OsmoNITB days.

If such functionality is desired, it must be implemented in OsmoHLR,
but not here.

Related: OS#2528
Change-Id: Icf0897c47388e49ba7886b55acc728a6f7d213fe
diff --git a/tests/msc_vlr/msc_vlr_test_umts_authen.err b/tests/msc_vlr/msc_vlr_test_umts_authen.err
index 6a2c6c5..78d4925 100644
--- a/tests/msc_vlr/msc_vlr_test_umts_authen.err
+++ b/tests/msc_vlr/msc_vlr_test_umts_authen.err
@@ -458,7 +458,7 @@
 ===== [1] test_umts_authen_geran(901700000004620): SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 8
+talloc_total_blocks(tall_bsc_ctx) == 7
 
 ===== [2] test_umts_authen_utran(901700000004620)...
 - Location Update request causes a GSUP Send Auth Info request to HLR
@@ -946,7 +946,7 @@
 ===== [2] test_umts_authen_utran(901700000004620): SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 8
+talloc_total_blocks(tall_bsc_ctx) == 7
 
 ===== [3] test_umts_authen_resync_geran(901700000004620)...
 - Location Update request causes a GSUP Send Auth Info request to HLR
@@ -1159,7 +1159,7 @@
 ===== [3] test_umts_authen_resync_geran(901700000004620): SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 8
+talloc_total_blocks(tall_bsc_ctx) == 7
 
 ===== [4] test_umts_authen_resync_utran(901700000004620)...
 - Location Update request causes a GSUP Send Auth Info request to HLR
@@ -1382,8 +1382,8 @@
 ===== [4] test_umts_authen_resync_utran(901700000004620): SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 8
+talloc_total_blocks(tall_bsc_ctx) == 7
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 8
+talloc_total_blocks(tall_bsc_ctx) == 7