configure, makefile: remove traces of really old files

These files have been removed for more than year in the best
case, or for more than ten years for some really old TCG files.
Remove any traces of it.

Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Makefile

@@ -206,14 +206,11 @@ recurse-clean: $(addsuffix /clean, $(ROM_DIRS))
 clean: recurse-clean
 	-$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || :
 	-$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || :
-# avoid old build problems by removing potentially incorrect old files
-	rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h
 	find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -type f \
 		! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \
 		! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
 		-exec rm {} +
-	rm -f TAGS cscope.* *.pod *~ */*~
-	rm -f fsdev/*.pod scsi/*.pod
+	rm -f TAGS cscope.* *~ */*~
 
 VERSION = $(shell cat $(SRC_PATH)/VERSION)
 
@@ -224,10 +221,10 @@ qemu-%.tar.bz2:
 
 distclean: clean
 	-$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || :
-	rm -f config-host.mak config-host.h* config-poison.h
+	rm -f config-host.mak config-poison.h
 	rm -f tests/tcg/config-*.mak
-	rm -f config-all-disas.mak config.status
-	rm -f roms/seabios/config.mak roms/vgabios/config.mak
+	rm -f config.status
+	rm -f roms/seabios/config.mak
 	rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols
 	rm -f *-config-target.h *-config-devices.mak *-config-devices.h
 	rm -rf meson-private meson-logs meson-info compile_commands.json

configure

@@ -3672,9 +3672,6 @@ fi
 # so the build tree will be missing the link back to the new file, and
 # tests might fail. Prefer to keep the relevant files in their own
 # directory and symlink the directory instead.
-# UNLINK is used to remove symlinks from older development versions
-# that might get into the way when doing "git update" without doing
-# a "make distclean" in between.
 LINKS="Makefile"
 LINKS="$LINKS tests/tcg/Makefile.target"
 LINKS="$LINKS pc-bios/optionrom/Makefile"
@@ -3686,7 +3683,6 @@ LINKS="$LINKS tests/avocado tests/data"
 LINKS="$LINKS tests/qemu-iotests/check"
 LINKS="$LINKS python"
 LINKS="$LINKS contrib/plugins/Makefile "
-UNLINK="pc-bios/keymaps"
 for bios_file in \
     $source_path/pc-bios/*.bin \
     $source_path/pc-bios/*.elf \
@@ -3708,11 +3704,6 @@ for f in $LINKS ; do
         symlink "$source_path/$f" "$f"
     fi
 done
-for f in $UNLINK ; do
-    if [ -L "$f" ]; then
-        rm -f "$f"
-    fi
-done
 
 (for i in $cross_cc_vars; do
   export $i