Remove the perl/ subdirectory

It breaks "make dist", it was deprecated in favor of SWIG in
commit 59b81dfa18 and if only
the contained some Makefiles.

perl/Makefile.PL

@@ -1,19 +0,0 @@
-use ExtUtils::MakeMaker;
-# See lib/ExtUtils/MakeMaker.pm for details of how to influence
-# the contents of the Makefile that is written.
-WriteMakefile(
-    'NAME'		=> 'Hamlib',
-    'VERSION_FROM'	=> 'Hamlib.pm', # finds $VERSION
-    'PREREQ_PM'		=> {}, # e.g., Module::Name => 1.1
-    ($] >= 5.005 ?    ## Add these new keywords supported since 5.005
-      (ABSTRACT_FROM => 'Hamlib.pm', # retrieve abstract from module
-       AUTHOR     => 'S. Fillod <fillods@users.sf.net>') : ()),
-	# should use libtool somehow. Otherwise try -Wl,--rpath 
-    #'LIBS'		=> ['-L../../src/.libs -lhamlib'],
-    'DEFINE'		=> '',
-    #'INC'		=> '-I.',
-	'dist'      => {'COMPRESS'=>'gzip -9f', 'SUFFIX' => 'gz',
-	                'ZIP'=>'/usr/bin/zip','ZIPFLAGS'=>'-rl'},
-	# Un-comment this if you add C files to link with later:
-    # 'OBJECT'		=> '$(O_FILES)', # link all the C files too
-);

perl/Makefile.am

@@ -1,30 +0,0 @@
-
-# note: VPATH building does not work yet
-
-Hamlib-pl.mk: $(top_srcdir)/perl/Makefile.PL
-	cp -u $(top_srcdir)/perl/{Changes,MANIFEST,README.md,Hamlib.pm,Hamlib.xs,Makefile.PL,test.pl,typemap} . 2> /dev/null || exit 0
-	perl Makefile.PL MAKEFILE=Hamlib-pl.mk INST_MAN3DIR=$(mandir) \
-			LIB=$(libdir) CCFLAGS=$(CFLAGS) INC="$(INCLUDES)" \
-			LIBS="-L$(top_builddir)/src/.libs -lhamlib"
-
-all: Hamlib-pl.mk
-	make -f Hamlib-pl.mk
-
-test: all
-	make -f Hamlib-pl.mk test
-
-clean: Hamlib-pl.mk
-	make -f Hamlib-pl.mk clean
-
-distclean: Hamlib-pl.mk
-	make -f Hamlib-pl.mk distclean
-
-distcheck: Hamlib-pl.mk
-	make -f Hamlib-pl.mk distcheck
-
-install: Hamlib-pl.mk
-	make -f Hamlib-pl.mk install
-
-EXTRA_DIST = Changes MANIFEST README.md Hamlib.pm Hamlib.xs Makefile.PL \
-				test.pl typemap
-