Always load defaults.vim #681

Job	Run time
macos (tiny, macos-12)	1m 36s
macos (tiny, macos-14)	43s
windows (HUGE, msvc, no, no, x64, stable)	6m 10s
linux (tiny, clang, native)	2m 25s
windows (HUGE, mingw, yes, yes, x86, stable, yes)	13m 26s
linux (tiny, gcc, native)	2m 49s
macos (normal, macos-12)	6m 19s
macos (normal, macos-14)	4m 37s
linux (normal, clang, native)	5m 42s
windows (HUGE, msvc, no, yes, x86)	9m 27s
linux (normal, gcc, native)	5m 54s
windows (HUGE, mingw, yes, no, x64, yes)	10m 50s
macos (huge, macos-12)	13m 58s
linux (huge, clang, native)	9m 50s
windows (NORMAL, msvc, yes, no, x86)	7m 23s
macos (huge, macos-14)	11m 50s
linux (huge, gcc, native)	11m 5s
windows (NORMAL, mingw, no, yes, x64)	10m 23s
linux (tiny, clang, nogui)	2m 23s
linux (tiny, gcc, nogui)	2m 22s
windows (TINY, msvc, yes, yes, x64)	2m 10s
linux (normal, gcc, i386, ./src/shadow)	10m 59s
linux (huge, gcc, uchar, testgui, true, dynamic)	32m 8s
windows (TINY, mingw, no, no, x86)	3m 34s
linux (huge, clang, asan, 5.1)	16m 28s
linux (huge, gcc, unittests, true)	2m 49s
linux (normal, gcc, vimtags)	2m 24s
	3h 29m 44s

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