CXX-2797 Remove support for external polyfill libraries

.codecov.yml

@@ -1,2 +0,0 @@
-ignore:
-  - "src/third_party"

.evergreen/config_generator/components/integration.py

@@ -34,7 +34,7 @@
     ('debian12', None, ['Release'], ['shared',         ], [      20], [None], ['plain',        ], [False, True], ['latest'], ['single',                     ]),
     ('debian12', None, ['Release'], ['shared',         ], [None,   ], [None], [         'csfle'], [False,     ], ['latest'], [          'replica', 'sharded']),
 
-    ('macos-1100', None, ['Release'], ['shared', 'static'], [None], ['boost'], ['plain'], [False, True], ['5.0', 'latest'], ['single']),
+    ('macos-1100', None, ['Release'], ['shared', 'static'], [None], [None], ['plain'], [False, True], ['5.0', 'latest'], ['single']),
 
     ('rhel81-power8',  None, ['Release'], ['shared', 'static'], [None], [None], ['plain'], [False, True], ['5.0',        'latest'], ['single']),
     ('rhel83-zseries', None, ['Release'], ['shared', 'static'], [None], [None], ['plain'], [False, True], ['5.0', '6.0', 'latest'], ['single']),

.evergreen/config_generator/components/packaging.py

@@ -38,33 +38,6 @@ class DebianPackageBuild(Function):
     ]
 
 
-class DebianPackageBuildMnmlstc(Function):
-    name = 'build-package-debian-mnmlstc'
-    desc = 'debian-mnmlstc'
-    commands = [
-        bash_exec(
-            command_type=EvgCommandType.TEST,
-            working_dir='mongo-cxx-driver',
-            script='''\
-                set -o errexit
-                export IS_PATCH="${is_patch}"
-                export DEB_BUILD_PROFILES="pkg.mongo-cxx-driver.mnmlstc"
-                .evergreen/scripts/debian_package_build.sh
-            ''',
-        ),
-        s3_put(
-            aws_key='${aws_key}',
-            aws_secret='${aws_secret}',
-            bucket='mciuploads',
-            content_type='${content_type|application/x-gzip}',
-            display_name='"deb.tar.gz"',
-            local_file='deb.tar.gz',
-            permissions='public-read',
-            remote_file='mongo-cxx-driver/${branch_name}/${revision}/${version_id}/${build_id}/${execution}/debian-packages-mnmlstc.tar.gz',
-        ),
-    ]
-
-
 class RpmPackageBuild(Function):
     name = 'build-package-rpm'
     desc = 'rpm'
@@ -90,7 +63,6 @@ class RpmPackageBuild(Function):
 # fmt: off
 MATRIX = [
     (DebianPackageBuild,        'debian12-latest'),
-    (DebianPackageBuildMnmlstc, 'debian12-latest'),
     (RpmPackageBuild,           'rhel92-arm64'   ),
 ]
 # fmt: on
@@ -100,7 +72,6 @@ class RpmPackageBuild(Function):
 def functions():
     return merge_defns(
         DebianPackageBuild.defn(),
-        DebianPackageBuildMnmlstc.defn(),
         RpmPackageBuild.defn(),
     )
 

.evergreen/config_generator/components/scan_build.py

@@ -17,13 +17,9 @@
 # fmt: off
 MATRIX = [
     (11,  None    ),
-    (11, 'mnmlstc'),
-    (11, 'boost'  ),
     (11, 'impls'  ),
 
     (14,  None    ),
-    (14, 'mnmlstc'),
-    (14, 'boost'  ),
     (14, 'impls'  ),
 
     (17,  None    ),

.evergreen/config_generator/components/versioned_api.py

@@ -20,9 +20,9 @@
 # pylint: disable=line-too-long
 # fmt: off
 MATRIX = [
-    ('macos-1100',        None,        ['Release'], ['shared'], ['boost']),
-    ('ubuntu2004',        None,        ['Debug'  ], ['shared'], [None   ]),
-    ('windows-vsCurrent', 'vs2019x64', ['Debug'  ], ['shared'], [None   ]),
+    ('macos-1100',        None,        ['Release'], ['shared'], [None]),
+    ('ubuntu2004',        None,        ['Debug'  ], ['shared'], [None]),
+    ('windows-vsCurrent', 'vs2019x64', ['Debug'  ], ['shared'], [None]),
 ]
 # fmt: on
 # pylint: enable=line-too-long
@@ -66,9 +66,8 @@ def tasks():
             compile_vars = {'ENABLE_TESTS': 'ON'}
             test_vars |= {'MONGOCXX_TEST_TOPOLOGY': 'single'}
 
-            match distro.os_type:
-                case 'macos': compile_vars |= {'BSONCXX_POLYFILL': 'boost'}
-                case 'windows': test_vars |= {'example_projects_cxx_standard': 17}
+            if distro.os_type == 'windows':
+                test_vars |= {'example_projects_cxx_standard': 17}
 
             res.append(
                 EvgTask(

.evergreen/generated_configs/functions.yml

@@ -169,29 +169,6 @@ functions:
         local_file: deb.tar.gz
         permissions: public-read
         remote_file: mongo-cxx-driver/${branch_name}/${revision}/${version_id}/${build_id}/${execution}/debian-packages.tar.gz
-  build-package-debian-mnmlstc:
-    - command: subprocess.exec
-      type: test
-      params:
-        binary: bash
-        working_dir: mongo-cxx-driver
-        args:
-          - -c
-          - |
-            set -o errexit
-            export IS_PATCH="${is_patch}"
-            export DEB_BUILD_PROFILES="pkg.mongo-cxx-driver.mnmlstc"
-            .evergreen/scripts/debian_package_build.sh
-    - command: s3.put
-      params:
-        display_name: "\"deb.tar.gz\""
-        aws_key: ${aws_key}
-        aws_secret: ${aws_secret}
-        bucket: mciuploads
-        content_type: ${content_type|application/x-gzip}
-        local_file: deb.tar.gz
-        permissions: public-read
-        remote_file: mongo-cxx-driver/${branch_name}/${revision}/${version_id}/${build_id}/${execution}/debian-packages-mnmlstc.tar.gz
   build-package-rpm:
     - command: subprocess.exec
       type: test