Update sifter.bats

Author: Harshil015

tests/sifter.bats

@@ -1,10 +1,4 @@
 #!/usr/bin/env bats
-# Tests for sifter.sh's pure, dependency-free helper functions -
-# validate_target, get_ext, get_parent, and classify_ext. These don't
-# touch the network or filesystem, so they can be sourced and tested
-# directly without root, nmap, gobuster, feroxbuster, or a live target
-# (issue G1).
-#
 # Run with: bats tests/sifter.bats
 
 setup() {
@@ -46,7 +40,6 @@ setup() {
   [ "$status" -eq 0 ]
 }
 
-# issue B1 regressions - the specific bug the audit report reported live
 @test "validate_target rejects a purely numeric string (999999)" {
   run validate_target "999999"
   [ "$status" -eq 1 ]
@@ -109,7 +102,6 @@ setup() {
   [ "$output" = "" ]
 }
 
-# issue D1 regressions - the specific bug the audit report reported live
 @test "get_ext returns empty for a directory whose name contains a dot" {
   run get_ext "/backup.old/"
   [ "$output" = "" ]