Remove dead formats: alan, an1, netstumbler, naviguide.

As discussed in GPSBabel#659

CMakeLists.txt

@@ -38,18 +38,18 @@ set(ALL_FMTS
   skytraq.cc holux.cc tmpro.cc tpg.cc tpo.cc
   xcsv.cc tiger.cc easygps.cc
   saroute.cc navicache.cc delgpl.cc
-  ozi.cc text.cc html.cc netstumbler.cc
+  ozi.cc text.cc html.cc
   igc.cc brauniger_iq.cc shape.cc hiketech.cc glogbook.cc
-  vcf.cc lowranceusr.cc an1.cc tomtom.cc
+  vcf.cc lowranceusr.cc tomtom.cc
   tef_xml.cc maggeo.cc vitosmt.cc gdb.cc bcr.cc
   ignrando.cc stmwpp.cc cst.cc nmn4.cc compegps.cc
   yahoo.cc unicsv.cc wfff_xml.cc garmin_txt.cc gpssim.cc
-  stmsdf.cc gtrnctr.cc dmtlog.cc raymarine.cc alan.cc vitovtt.cc
+  stmsdf.cc gtrnctr.cc dmtlog.cc raymarine.cc vitovtt.cc
   ggv_log.cc g7towin.cc garmin_gpi.cc lmx.cc random.cc xol.cc dg-100.cc
   navilink.cc mtk_logger.cc ik3d.cc osm.cc destinator.cc exif.cc vidaone.cc
   igo8.cc gopal.cc humminbird.cc mapasia.cc gnav_trl.cc navitel.cc ggv_ovl.cc
   jtr.cc sbp.cc sbn.cc mmo.cc skyforce.cc itracku.cc v900.cc
-  pocketfms_bc.cc pocketfms_fp.cc pocketfms_wp.cc naviguide.cc enigma.cc
+  pocketfms_bc.cc pocketfms_fp.cc pocketfms_wp.cc enigma.cc
   vpl.cc teletype.cc jogmap.cc bushnell.cc bushnell_trl.cc wintec_tes.cc
   subrip.cc garmin_xt.cc garmin_fit.cc
   mtk_locus.cc googledir.cc mapbar_track.cc mapfactor.cc f90g_track.cc
@@ -102,7 +102,6 @@ set(SUPPORT
 )
 
 set(HEADERS
-  an1sym.h
   cet.h
   cet_util.h
   csv_util.h

GPSBabel.pro

@@ -62,18 +62,18 @@ ALL_FMTS=$$MINIMAL_FMTS gtm.cc gpsutil.cc pcx.cc \
         skytraq.cc holux.cc tmpro.cc tpg.cc tpo.cc \
         xcsv.cc tiger.cc easygps.cc \
         saroute.cc navicache.cc delgpl.cc \
-        ozi.cc text.cc html.cc netstumbler.cc \
+        ozi.cc text.cc html.cc \
         igc.cc brauniger_iq.cc shape.cc hiketech.cc glogbook.cc \
-        vcf.cc lowranceusr.cc an1.cc tomtom.cc \
+        vcf.cc lowranceusr.cc tomtom.cc \
         tef_xml.cc maggeo.cc vitosmt.cc gdb.cc bcr.cc \
         ignrando.cc stmwpp.cc cst.cc nmn4.cc compegps.cc \
         yahoo.cc unicsv.cc wfff_xml.cc garmin_txt.cc gpssim.cc \
-        stmsdf.cc gtrnctr.cc dmtlog.cc raymarine.cc alan.cc vitovtt.cc \
+        stmsdf.cc gtrnctr.cc dmtlog.cc raymarine.cc vitovtt.cc \
         ggv_log.cc g7towin.cc garmin_gpi.cc lmx.cc random.cc xol.cc dg-100.cc \
         navilink.cc mtk_logger.cc ik3d.cc osm.cc destinator.cc exif.cc vidaone.cc \
         igo8.cc gopal.cc humminbird.cc mapasia.cc gnav_trl.cc navitel.cc ggv_ovl.cc \
         jtr.cc sbp.cc sbn.cc mmo.cc skyforce.cc itracku.cc v900.cc \
-        pocketfms_bc.cc pocketfms_fp.cc pocketfms_wp.cc naviguide.cc enigma.cc \
+        pocketfms_bc.cc pocketfms_fp.cc pocketfms_wp.cc enigma.cc \
         vpl.cc teletype.cc jogmap.cc bushnell.cc bushnell_trl.cc wintec_tes.cc \
         subrip.cc garmin_xt.cc garmin_fit.cc \
         mtk_locus.cc googledir.cc mapbar_track.cc mapfactor.cc f90g_track.cc \
@@ -111,7 +111,6 @@ SUPPORT = route.cc waypt.cc filter_vecs.cc util.cc vecs.cc mkshort.cc \
           src/core/xmlstreamwriter.cc
 
 HEADERS =  \
-	an1sym.h \
 	cet.h \
 	cet_util.h \
 	csv_util.h \