Clean up copyright file

debian/copyright

@@ -35,9 +35,6 @@ License:   BSD-3-Clause
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 Files:     subprojects/wlroots/*
-           subprojects/wlroots/include/xcursor/xcursor.h
-           subprojects/wlroots/xcursor/wlr_xcursor.c
-           subprojects/wlroots/xcursor/xcursor.c
 Copyright: 1999 SuSE, Inc.
            2002 Keith Packard
            2008-2013 Kristian Høgsberg
@@ -74,64 +71,3 @@ License:   MIT
  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.
 
-#----------------------------------------------------------------------------
-# xml and html files (skipped):
-#         README.md
-#         subprojects/wlroots/.gitlab/issue_templates/Default.md
-#         subprojects/wlroots/protocol/wlr-gamma-control-unstable-v1.xml
-#         subprojects/wlroots/protocol/server-decoration.xml
-#         subprojects/wlroots/protocol/wlr-foreign-toplevel-management-unstable-v1.xml
-#         subprojects/wlroots/protocol/wlr-data-control-unstable-v1.xml
-#         subprojects/wlroots/protocol/drm.xml
-#         subprojects/wlroots/protocol/wlr-output-power-management-unstable-v1.xml
-#         subprojects/wlroots/protocol/wlr-export-dmabuf-unstable-v1.xml
-#         subprojects/wlroots/protocol/input-method-unstable-v2.xml
-#         subprojects/wlroots/protocol/wlr-virtual-pointer-unstable-v1.xml
-#         subprojects/wlroots/protocol/wlr-screencopy-unstable-v1.xml
-#         subprojects/wlroots/protocol/wlr-output-management-unstable-v1.xml
-#         subprojects/wlroots/protocol/virtual-keyboard-unstable-v1.xml
-#         subprojects/wlroots/protocol/wlr-layer-shell-unstable-v1.xml
-#         subprojects/hyprland-protocols/protocols/hyprland-global-shortcuts-v1.xml
-#         subprojects/hyprland-protocols/protocols/hyprland-toplevel-export-v1.xml
-#         subprojects/tracy/manual/icons/scroll.svg
-#         subprojects/tracy/manual/icons/mmb.svg
-#         subprojects/tracy/manual/icons/rmb.svg
-#         subprojects/tracy/manual/icons/mouse.svg
-#         subprojects/tracy/manual/icons/lmb.svg
-#         subprojects/tracy/doc/design.svg
-#         subprojects/tracy/csvexport/build/win32/csvexport.vcxproj
-#         subprojects/tracy/capture/build/win32/capture.vcxproj
-#         subprojects/tracy/profiler/build/win32/Tracy.vcxproj
-#         subprojects/tracy/profiler/build/win32/Tracy.manifest
-#         subprojects/tracy/profiler/build/win32/DebugVis.natvis
-#         subprojects/tracy/profiler/build/wasm/index.html
-#         subprojects/tracy/import-chrome/build/win32/import-chrome.vcxproj
-#         subprojects/tracy/library/win32/TracyProfiler.vcxproj
-#         subprojects/tracy/update/build/win32/update.vcxproj
-#         subprojects/tracy/extra/zigzag.svg
-#         subprojects/tracy/extra/desktop/application-tracy.xml
-#         subprojects/tracy/examples/ToyPathTracer/Windows/TestCpu.vcxproj
-#         subprojects/tracy/icon/application-tracy.svg
-#         subprojects/tracy/icon/icon.svg
-#         subprojects/udis86/xcode/udis.xcworkspace/contents.xcworkspacedata
-#         subprojects/udis86/xcode/udis.xcworkspace/xcshareddata/udis.xccheckout
-#         subprojects/udis86/docs/x86/optable.xsl
-#         subprojects/udis86/docs/x86/optable.xml
-#         protocols/idle.xml
-#         protocols/tablet-unstable-v2.xml
-#         protocols/wlr-foreign-toplevel-management-unstable-v1.xml
-#         protocols/wlr-output-power-management-unstable-v1.xml
-#         protocols/wlr-screencopy-unstable-v1.xml
-#         protocols/pointer-constraints-unstable-v1.xml
-#         protocols/wlr-layer-shell-unstable-v1.xml
-#         assets/header.svg
-
-#----------------------------------------------------------------------------
-# huge files   (skipped):
-#         subprojects/tracy/server/TracyMicroArchitecture.cpp
-#         subprojects/tracy/profiler/src/font/FontAwesomeSolid.hpp
-#         subprojects/tracy/imgui/imgui.cpp
-#         assets/wall_anime_4K.png
-#         assets/wall_anime2_8K.png
-#         assets/wall_anime2_4K.png
-#         assets/wall_anime_8K.png