lib: posix: remove all default POSIX feature enables

When enabling `POSIX_API`, don't enable any individual features by
default. Users can enable the appropriate posix profile through the
`POSIX_AEP_CHOICE` choice, or enable required features individually.

Signed-off-by: Jordan Yates <jordan@embeint.com>

Author: JordanYates

doc/releases/migration-guide-4.2.rst

@@ -305,6 +305,13 @@ SPI
 Other subsystems
 ****************
 
+Posix
+=====
+
+* :kconfig:option:`POSIX_API` no longer enables individual features by default. Users can
+  enable features associated with a posix profile through the :kconfig:option:`POSIX_AEP_CHOICE`
+  choice, or enable required features individually.
+
 ZBus
 ====
 

lib/posix/options/Kconfig.profile

@@ -6,12 +6,6 @@ config POSIX_API
 	bool "POSIX APIs"
 	depends on !NATIVE_APPLICATION
 	select NATIVE_LIBC_INCOMPATIBLE
-	select POSIX_BASE_DEFINITIONS # clock_gettime(), pthread_create(), sem_get(), etc
-	select POSIX_AEP_REALTIME_MINIMAL # CLOCK_MONOTONIC, pthread_attr_setstack(), etc
-	select POSIX_NETWORKING if NETWORKING # inet_ntoa(), socket(), etc
-	imply EVENTFD # eventfd(), eventfd_read(), eventfd_write()
-	imply POSIX_FD_MGMT # open(), close(), read(), write()
-	imply POSIX_MULTI_PROCESS # sleep(), getpid(), etc
 	help
 	  This option enables the required POSIX System Interfaces (base definitions), all of PSE51,
 	  and some features found in PSE52.