Improve icons for PCB editor cleanup menu entries.

Description

Currently, they re-use the "Interactive Delete Tool" icon:

KiCad Version

Application: KiCad PCB Editor x64 on x64

Version: 7.99.0-3746-gafa08b710c-dirty, debug build

Libraries:
	wxWidgets 3.2.4
	FreeType 2.12.1
	HarfBuzz 8.2.1
	FontConfig 2.14.2
	libcurl/8.4.0-DEV Schannel zlib/1.3

Platform: Windows 11 (build 22621), 64-bit edition, 64 bit, Little endian, wxMSW

Build Info:
	Date: Nov 29 2023 04:04:37
	wxWidgets: 3.2.4 (wchar_t,wx containers)
	Boost: 1.83.0
	OCC: 7.8.0
	Curl: 8.4.0-DEV
	ngspice: 41
	Compiler: Visual C++ 1937 without C++ ABI

Build settings:
	KICAD_STDLIB_DEBUG=OFF
	KICAD_STDLIB_LIGHT_DEBUG=OFF
	KICAD_SANITIZE_ADDRESS=OFF
	KICAD_SANITIZE_THREADS=OFF