Simplify Objective C autorelease pool handling

* src/emacs.c: Remove ns_pool.
(main): Replace ns_pool stuff with call to ns_init_pool.
(Fkill_emacs): The pools are drained automatically when the
application exits, so it's probably not worth draining the pool here.
(decode_env_path): No longer required as this is handled by
`outerpool' defined in nsterm.m.
* src/nsterm.h:
* src/nsterm.m (ns_init_pool): New function.
10 jobs for master in 6 minutes and 16 seconds (queued for 25 seconds)
Status Job ID Name Coverage
  Build Images
failed #79117
build-image-inotify

00:03:38

 
  Normal
skipped #79118
test-all-inotify
 
  Platform Images
failed #79119
build-image-eglot

00:04:00

failed #79121
build-image-gnustep

00:03:57

failed #79120
build-image-tree-sitter

00:03:51

 
  Platforms
skipped #79122
test-eglot
skipped #79124
test-gnustep
skipped #79123
test-tree-sitter
 
  Native Comp Images
failed #79125
build-native-comp-speed2

00:06:01

 
  Native Comp
skipped #79126
test-native-comp-speed2
 
Name Stage Failure
failed
build-native-comp-speed2 Native Comp Images
$ docker login -u ${CI_REGISTRY_USER} -p ${CI_REGISTRY_PASSWORD} ${CI_REGISTRY}
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
Error response from daemon: Get "https://emba.gnu.org:5050/v2/": Get "https://emba.gnu.org//jwt/auth?account=gitlab-ci-token&client_id=docker&offline_token=true&service=container_registry": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
find: build-native-comp-speed2-66656bf5: No such file or directory
ERROR: Job failed: exit code 1
failed
build-image-eglot Platform Images
WARNING: No swap limit support
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
Error response from daemon: Get "https://emba.gnu.org:5050/v2/": Get "https://emba.gnu.org//jwt/auth?account=gitlab-ci-token&client_id=docker&offline_token=true&service=container_registry": net/http: request canceled (Client.Timeout exceeded while awaiting headers) (Client.Timeout exceeded while awaiting headers)
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
find: build-image-eglot-66656bf5: No such file or directory
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
ERROR: Job failed: exit code 1
failed
build-image-gnustep Platform Images
Error response from daemon: Get "https://emba.gnu.org:5050/v2/": Get "https://emba.gnu.org//jwt/auth?account=gitlab-ci-token&client_id=docker&offline_token=true&service=container_registry": net/http: request canceled (Client.Timeout exceeded while awaiting headers) (Client.Timeout exceeded while awaiting headers)
Running after_script
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
find: build-image-gnustep-66656bf5: No such file or directory
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1

failed
build-image-tree-sitter Platform Images
Error response from daemon: Get "https://emba.gnu.org:5050/v2/": Get "https://emba.gnu.org//jwt/auth?account=gitlab-ci-token&client_id=docker&offline_token=true&service=container_registry": net/http: request canceled (Client.Timeout exceeded while awaiting headers) (Client.Timeout exceeded while awaiting headers)
Running after_script
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
find: build-image-tree-sitter-66656bf5: No such file or directory
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1

failed
build-image-inotify Build Images
WARNING: No swap limit support
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
Error response from daemon: Get "https://emba.gnu.org:5050/v2/": Get "https://emba.gnu.org//jwt/auth?account=gitlab-ci-token&client_id=docker&offline_token=true&service=container_registry": net/http: request canceled (Client.Timeout exceeded while awaiting headers) (Client.Timeout exceeded while awaiting headers)
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
find: build-image-inotify-66656bf5: No such file or directory
ERROR: Job failed: exit code 1