Reland "Remove the return type from the syscall lists and parser."

It's not used, so it's just noise.

The previous attempt missed the call to grep in the .bp file that also
needed to be updated.

Bug: http://b/395691391
Bug: http://b/395732439
Change-Id: Ia0cc2e1882280e87a569acbaace9d84e753aad80
diff --git a/libc/SECCOMP_BLOCKLIST_APP.TXT b/libc/SECCOMP_BLOCKLIST_APP.TXT
index b9ecc02..5c317cf 100644
--- a/libc/SECCOMP_BLOCKLIST_APP.TXT
+++ b/libc/SECCOMP_BLOCKLIST_APP.TXT
@@ -11,40 +11,40 @@
 # before uid change, including capset and setresuid. This is because the seccomp
 # filter must be installed while the process still has CAP_SYS_ADMIN; changing
 # the uid would remove that capability.
-int     setgid32(gid_t)     lp32
-int     setgid(gid_t)       lp64
-int     setuid32(uid_t)    lp32
-int     setuid(uid_t)      lp64
-int     setregid32(gid_t, gid_t)  lp32
-int     setregid(gid_t, gid_t)    lp64
-int     setreuid32(uid_t, uid_t)   lp32
-int     setreuid(uid_t, uid_t)     lp64
-int     setresgid32(gid_t, gid_t, gid_t)   lp32
-int     setresgid(gid_t, gid_t, gid_t)     lp64
+setgid32(gid_t)     lp32
+setgid(gid_t)       lp64
+setuid32(uid_t)    lp32
+setuid(uid_t)      lp64
+setregid32(gid_t, gid_t)  lp32
+setregid(gid_t, gid_t)    lp64
+setreuid32(uid_t, uid_t)   lp32
+setreuid(uid_t, uid_t)     lp64
+setresgid32(gid_t, gid_t, gid_t)   lp32
+setresgid(gid_t, gid_t, gid_t)     lp64
 # setresuid is explicitly allowed, see above.
-int     setfsgid32(gid_t) lp32
-int     setfsgid(gid_t)   lp64
-int     setfsuid32(uid_t) lp32
-int     setfsuid(uid_t)   lp64
-int     setgroups32(int, const gid_t*)   lp32
-int     setgroups(int, const gid_t*)     lp64
+setfsgid32(gid_t) lp32
+setfsgid(gid_t)   lp64
+setfsuid32(uid_t) lp32
+setfsuid(uid_t)   lp64
+setgroups32(int, const gid_t*)   lp32
+setgroups(int, const gid_t*)     lp64
 
 # Syscalls to modify times.
-int     adjtimex(struct timex*)   all
-int     clock_adjtime(clockid_t, struct timex*)   all
-int     clock_settime(clockid_t, const struct timespec*)  all
-int     settimeofday(const struct timeval*, const struct timezone*)   all
+adjtimex(struct timex*)   all
+clock_adjtime(clockid_t, struct timex*)   all
+clock_settime(clockid_t, const struct timespec*)  all
+settimeofday(const struct timeval*, const struct timezone*)   all
 
-int     acct(const char*  filepath)  all
-int     syslog(int, char*, int)   all
-int     chroot(const char*)  all
+acct(const char*  filepath)  all
+syslog(int, char*, int)   all
+chroot(const char*)  all
 
-int     init_module(void*, unsigned long, const char*)  all
-int     delete_module(const char*, unsigned int)   all
-int     mount(const char*, const char*, const char*, unsigned long, const void*)  all
-int     umount2(const char*, int)  all
-int     swapon(const char*, int) all
-int     swapoff(const char*) all
-int     setdomainname(const char*, size_t)  all
-int     sethostname(const char*, size_t)  all
-int     reboot(int, int, int, void*)  all
+init_module(void*, unsigned long, const char*)  all
+delete_module(const char*, unsigned int)   all
+mount(const char*, const char*, const char*, unsigned long, const void*)  all
+umount2(const char*, int)  all
+swapon(const char*, int) all
+swapoff(const char*) all
+setdomainname(const char*, size_t)  all
+sethostname(const char*, size_t)  all
+reboot(int, int, int, void*)  all