scripts: Remove EXPORTED from POD section titles

These are clearly exported, otherwise they would not be documented.

debian/changelog

@@ -25,6 +25,7 @@ dpkg (1.17.17) UNRELEASED; urgency=low
     - Document public module Dpkg::Gettext.
     - Mark Dpkg::BuildProfiles as a public module.
     - Document all public module versions in a CHANGES section.
+    - Remove EXPORTED from POD section titles.
   * Set the DEB_TARGET_* dpkg-architecture variables from architecture.mk.
     Missed in dpkg 1.17.14.
   * Initialize DEB_TARGET_ARCH variable without requiring DEB_HOST_ARCH,

scripts/Dpkg/Checksums.pm

@@ -43,7 +43,7 @@ This module provides an object that can generate and manipulate
 various file checksums as well as some methods to query information
 about supported checksums.
 
-=head1 EXPORTED FUNCTIONS
+=head1 FUNCTIONS
 
 =over 4
 

scripts/Dpkg/Compression.pm

@@ -83,7 +83,7 @@ my $regex = join '|', map { $_->{file_ext} } values %$COMP;
 our $compression_re_file_ext = qr/(?:$regex)/;
 ## use critic
 
-=head1 EXPORTED FUNCTIONS
+=head1 FUNCTIONS
 
 =over 4