Cleanup tasks

[LWinterberg]

Small tasks which aim to a) simplify the app, b) simplify the code and c) simplify some messaging.

removals

• no more printing #5676
• Remove EQ XML to TXT converter #5711
• Remove Karaoke #5712
• Remove Screenshot tools #5718
• Remove those grabbers on the sides of multi-tool
• Remove mouse preferences page #5713
• Remove scrub toolbar
• Introduce small mod-script-pipe timer record plugin
  • then Remove built-in timer record
• Remove some niche preferences #5714
• Remove DarkAudacity-specific stuff #5761
• Remove supporting code for local manual
• Ditch macOS-specific button styles #3868
• Snap-to-prior (vs nearest)

other cleanup

• Unsquish audacity logo in installer #5522
• Reword modules page #5720
• Macros can launch windows they're not supposed to #4420
• Cursors for spectral selection
• Custom selection cursors #5801
• simplify advanced zooming #5715
• Erroneous separator line in Track Control Panel right click context menu #4144
• Help menu to have an entry to link to GitBook Audacity Support #3922
• Redundant "Enable" in View menu #6434
• In the File Menu Close and Exit would be better co-located #6644
• Rescan Audio Devices in the Transport menu is redundant as it duplicates the Audio Setup toolbar #6785

dejankification

• Clean up normalize UI and Add DC Offset removal effect #2408
• Don't show disabled project/default sample rate text inputs unless "Other" is selected #4452
• "Set Loop to Selection" should also enable looping if it is not currently enabled #4731
• Add Meter dB range option in the context menu of the playback/input meter #4732
• Making a selection of the minimum width of 1px isn't possible #5377
• Add an "Export Selected Audio" to the Extra>Export menu AND/OR enable parameter setting for Export Audio when used in a Macro #5581
• Automatically trim clips when moved before zero (as opposed to letting them actually move there)

[petersampsonaudacity]

I have added P1s to the Manual for when these changes eventually arrive in master for 3.5.0