Revert "Fix context not passed to field validators bug (#417)"

This reverts commit 76ba2c6.

pydantic_settings/main.py

@@ -193,8 +193,6 @@ def __init__(
             )
         )
 
-    __init__.__pydantic_base_init__ = True  # type: ignore
-
     @classmethod
     def settings_customise_sources(
         cls,

tests/test_settings.py

@@ -22,8 +22,6 @@
     SecretStr,
     Tag,
     ValidationError,
-    ValidationInfo,
-    field_validator,
 )
 from pydantic import (
     dataclasses as pydantic_dataclasses,
@@ -2774,22 +2772,6 @@ class Settings(BaseSettings):
     assert s.model_dump() == {'nested': {'foo': ['one', 'two']}}
 
 
-def test_validation_context():
-    class Settings(BaseSettings):
-        foo: str
-
-        @field_validator('foo')
-        @classmethod
-        def test_validator(cls, v: str, info: ValidationInfo):
-            context = info.context
-            assert context == {'foo': 'bar'}
-            return v
-
-    s = Settings.model_validate({'foo': 'foo bar'}, context={'foo': 'bar'})
-    assert s.foo == 'foo bar'
-    assert s.model_dump() == {'foo': 'foo bar'}
-
-
 def test_nested_model_field_with_alias_choices(env):
     class NestedSettings(BaseModel):
         foo: List[str] = Field(alias=AliasChoices('fooalias', 'foo-alias'))