remove why3gui from the makefile and gmain.ml (ACKed by Claude)

Makefile.in

@@ -438,74 +438,12 @@ install_no_local::
 
 install_local: bin/why3config
 
-###############
-# GUI
-###############
-
-ifeq (@enable_ide@,yes)
-
-GUI_FILES = xml session gconfig db gmain
-
-GUIMODULES = $(addprefix src/ide/, $(GUI_FILES))
-
-GUIML  = $(addsuffix .ml,  $(GUIMODULES))
-GUIMLI = $(addsuffix .mli, $(GUIMODULES))
-GUICMO = $(addsuffix .cmo, $(GUIMODULES))
-GUICMX = $(addsuffix .cmx, $(GUIMODULES))
-
-$(GUICMO) $(GUICMX): INCLUDES += -I src/ide -I @SQLITE3LIB@
-
-# build targets
-
-byte: bin/why3gui.byte
-opt:  bin/why3gui.opt
-
-bin/why3gui.opt bin/why3gui.byte: INCLUDES += -I @LABLGTK2LIB@ -I @SQLITE3LIB@
-bin/why3gui.opt bin/why3gui.byte: EXTOBJS +=
-bin/why3gui.opt bin/why3gui.byte: EXTLIBS += lablgtk lablgtksourceview2 sqlite3
-
-bin/why3gui.opt: src/why.cmxa $(PGMCMX) $(GUICMX)
-	$(if $(QUIET), @echo 'Linking  $@' &&) \
-	    $(OCAMLOPT) $(OFLAGS) -o $@ $(EXTCMXA) $^
-	$(STRIP) $@
-
-bin/why3gui.byte: src/why.cma $(PGMCMO) $(GUICMO)
-	$(if $(QUIET),@echo 'Linking  $@' &&) \
-	    $(OCAMLC) $(BFLAGS) -o $@ $(EXTCMA) $^
-
-bin/why3gui: bin/why3gui.@OCAMLBEST@
-	ln -sf why3gui.@OCAMLBEST@ $@
-
-# depend and clean targets
-
-include .depend.gui
-
-.depend.gui: src/ide/xml.ml
-	$(OCAMLDEP) -slash -I src -I src/ide $(GUIML) $(GUIMLI) > $@
-
-depend: .depend.gui
-
-clean::
-	rm -f src/ide/*.cm[iox] src/ide/*.o
-	rm -f src/ide/*.annot src/ide/*~
-	rm -f bin/why3gui.byte bin/why3gui.opt bin/why3gui
-	rm -f .depend.gui
-
-install_no_local::
-	cp -f bin/why3gui.@OCAMLBEST@ $(BINDIR)/why3gui
-
-install_local: bin/why3gui
-
-endif
-
-
 ###############
 # IDE
 ###############
 
 ifeq (@enable_ide@,yes)
 
-# IDE_FILES = xml session gconfig db gmain
 IDE_FILES = xml session gconfig newmain
 
 IDEMODULES = $(addprefix src/ide/, $(IDE_FILES))
@@ -548,6 +486,7 @@ include .depend.ide
 depend: .depend.ide
 
 clean::
+	rm -f src/ide/xml.ml
 	rm -f src/ide/*.cm[iox] src/ide/*.o
 	rm -f src/ide/*.annot src/ide/*~
 	rm -f bin/why3ide.byte bin/why3ide.opt bin/why3ide
@@ -603,6 +542,7 @@ include .depend.replayer
 depend: .depend.replayer
 
 clean::
+	rm -f src/ide/xml.ml
 	rm -f src/ide/*.cm[iox] src/ide/*.o
 	rm -f src/ide/*.annot src/ide/*~
 	rm -f bin/why3replayer.byte bin/why3replayer.opt bin/why3replayer