ci fix: remove flaky tcg test (with sanitizers) follow-fork-mode

Signed-off-by: Pierrick Bouvier <[email protected]>

tests/tcg/multiarch/Makefile.target

@@ -116,29 +116,14 @@ run-gdbstub-catch-syscalls: catch-syscalls
 		--bin $< --test $(MULTIARCH_SRC)/gdbstub/catch-syscalls.py, \
 	hitting a syscall catchpoint)
 
-run-gdbstub-follow-fork-mode-child: follow-fork-mode
-	$(call run-test, $@, $(GDB_SCRIPT) \
-		--gdb $(GDB) \
-		--qemu $(QEMU) --qargs "$(QEMU_OPTS)" \
-		--bin $< --test $(MULTIARCH_SRC)/gdbstub/follow-fork-mode-child.py, \
-	following children on fork)
-
-run-gdbstub-follow-fork-mode-parent: follow-fork-mode
-	$(call run-test, $@, $(GDB_SCRIPT) \
-		--gdb $(GDB) \
-		--qemu $(QEMU) --qargs "$(QEMU_OPTS)" \
-		--bin $< --test $(MULTIARCH_SRC)/gdbstub/follow-fork-mode-parent.py, \
-	following parents on fork)
-
 else
 run-gdbstub-%:
 	$(call skip-test, "gdbstub test $*", "need working gdb with $(patsubst -%,,$(TARGET_NAME)) support")
 endif
 EXTRA_RUNS += run-gdbstub-sha1 run-gdbstub-qxfer-auxv-read \
 	      run-gdbstub-proc-mappings run-gdbstub-thread-breakpoint \
 	      run-gdbstub-registers run-gdbstub-prot-none \
-	      run-gdbstub-catch-syscalls run-gdbstub-follow-fork-mode-child \
-	      run-gdbstub-follow-fork-mode-parent \
+	      run-gdbstub-catch-syscalls \
 	      run-gdbstub-qxfer-siginfo-read
 
 # ARM Compatible Semi Hosting Tests