removed iOSMacABI target as useless #2216

Job	Run time
Flatpak	12m 41s
Macos (native_dyn)	8m 8s
Linux (native_static, focal)	8m 15s
Macos (native_static)	8m 51s
Linux (native_dyn, focal)	33s
Macos (native_mixed)	9m 3s
Linux (native_mixed, focal)	31s
Linux (wasm, focal)	32s
Macos (iOS_arm64)	3m 16s
Linux (armv6_static, focal)	38s
Macos (iOS_x86_64)	2m 25s
Linux (armv6_dyn, focal)	31s
Macos (macOS_arm64_static)	38s
Linux (armv6_mixed, focal)	39s
Macos (macOS_arm64_mixed)	1m 37s
Linux (armv8_static, focal)	3m 32s
Macos (macOS_x86_64)	1m 4s
Linux (armv8_dyn, focal)	34s
Linux (armv8_mixed, focal)	38s
Linux (aarch64_static, focal)	31s
Linux (aarch64_dyn, focal)	4m 5s
Linux (aarch64_mixed, focal)	1m 57s
Linux (aarch64_musl_static, focal)	37s
Linux (aarch64_musl_dyn, focal)	4m 10s
Linux (aarch64_musl_mixed, focal)	41s
Linux (x86-64_musl_static, focal)	33s
Linux (x86-64_musl_mixed, focal)	37s
Linux (i586_static, focal)	3m 4s
Linux (i586_dyn, focal)	30s
Linux (android_arm, focal)	31m 26s
Linux (android_arm64, focal)	40s
Linux (android_x86, focal)	36s
Linux (android_x86_64, focal)	4m 41s
Linux (native_mixed, bionic)	4m 21s
Linux (aarch64_mixed, bionic)	58s
Linux (win32_static, f35)	6m 22s
Linux (win32_dyn, f35)	3m 58s
	2h 13m 53s

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