Remove the pcurves specific tests #6618

Job	Run time
Linux (gcc, shared)	2m 52s
Windows (shared, x86_64, windows-2022)	6m 6s
Linux (gcc, amalgamation)	4m 30s
Analysis (coverage, gcc, ubuntu-24.04)	33m 8s
Linux (gcc, static)	1m 45s
Windows (static, x86_64, windows-2022)	5m 48s
Analysis (sanitizer, clang, ubuntu-24.04)	30m 32s
Linux (clang, shared)	2m 30s
Windows (amalgamation, x86_64, windows-2022)	5m 53s
Analysis (valgrind, clang, ubuntu-24.04)	46m 58s
Clang Tidy	1m 5s
Windows (shared, x86, windows-2022)	8m 29s
Analysis (fuzzers, gcc, ubuntu-24.04)	15m 35s
Analysis (lint, gcc, ubuntu-24.04)	54s
macOS (shared, xcode, macos-13)	5m 42s
macOS (amalgamation, xcode, macos-13)	2m 20s
Special (examples, gcc, ubuntu-24.04)	1m 0s
Special (minimized, gcc, ubuntu-24.04)	34s
Analysis (format, gcc, ubuntu-24.04)	32s
macOS (shared, xcode, macos-14)	2m 52s
Special (bsi, gcc, ubuntu-24.04)	1m 21s
Analysis (limbo, gcc, ubuntu-24.04)	1m 7s
macOS (amalgamation, xcode, macos-14)	1m 27s
Special (docs, gcc, ubuntu-24.04)	1m 5s
Special (no_pcurves, gcc, ubuntu-24.04)	1m 29s
Cross (cross-i386, gcc, ubuntu-22.04)	3m 31s
Cross (cross-arm32, gcc, ubuntu-24.04)	25m 25s
Cross (cross-arm64, gcc, ubuntu-24.04)	13m 15s
Cross (cross-ppc64, gcc, ubuntu-24.04)	9m 16s
Cross (cross-mips64, gcc, ubuntu-24.04)	9m 9s
Cross (cross-android-arm64, clang, ubuntu-24.04)	53s
Cross (static, gcc, windows-2022, make)	4m 2s
Cross (cross-ios-arm64, xcode, macos-13)	1m 20s
Cross (cross-arm32-baremetal, gcc, ubuntu-24.04)	1m 3s
	4h 13m 28s

Provide feedback