Add build-web to .gitignore (openscad#5604)

* Add build-web to .gitignore

(this is the directory name mentioned in the readme for wasm builds)

* Added some more old qmake and xcode patterns to .gitignore

---------

Co-authored-by: Marius Kintel <[email protected]>

.gitignore

@@ -17,7 +17,6 @@ objects
 object_script.openscad.Debug
 object_script.openscad.Release
 .gdbinit
-.qmake.stash
 .tags*
 **/#*#
 /.dir-locals.el
@@ -51,7 +50,6 @@ object_script.openscad.Release
 /OpenSCAD.app
 /openscad.appdata.xml
 /openscad.appdata.xml.in2
-/openscad.pro.user
 /openscad
 /openscad-nightly
 /resources/*.rc
@@ -71,7 +69,7 @@ src/*.debug
 /Testing
 .DS_Store
 /build
-/build_xcode
+/build-web
 /release
 tests/DartConfiguration.tcl
 tests/__pycache__/
@@ -84,7 +82,6 @@ resources/CMakeFiles
 resources/Makefile
 resources/cmake_install.cmake
 resources/docs/OpenSCADUserDocs
-/local.pri
 tests/data/python/gen_issue2342.py
 tests/data/python/gen_svg_viewbox_tests.py
 tests/data/scad/2D/features/import_dxf-tests.scad