Remove setuptools runtime dependency (open-telemetry#3372)

Co-authored-by: Diego Hurtado <ocelotl@users.noreply.github.com>

Author: jenshnielsen

CHANGELOG.md

@@ -7,12 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- Drop `setuptools` runtime requirement.
+  ([#3372](https://github.com/open-telemetry/opentelemetry-python/pull/3372))
 - Update the body type in the log
   ([$3343](https://github.com/open-telemetry/opentelemetry-python/pull/3343))
 - Add max_scale option to Exponential Bucket Histogram Aggregation 
   ([#3323](https://github.com/open-telemetry/opentelemetry-python/pull/3323))
 - Use BoundedAttributes instead of raw dict to extract attributes from LogRecord
-  ([#3310](https://github.com/open-telemetry/opentelemetry-python/pull/3310)) 
+  ([#3310](https://github.com/open-telemetry/opentelemetry-python/pull/3310))
 - Support dropped_attributes_count in LogRecord and exporters
   ([#3351](https://github.com/open-telemetry/opentelemetry-python/pull/3351))
 - Add unit to view instrument selection criteria

opentelemetry-api/pyproject.toml

@@ -26,7 +26,6 @@ classifiers = [
 ]
 dependencies = [
     "Deprecated >= 1.2.6",
-    "setuptools >= 16.0",
     # FIXME This should be able to be removed after 3.12 is released if there is a reliable API
     # in importlib.metadata.
     "importlib-metadata ~= 6.0",

opentelemetry-api/src/opentelemetry/_logs/_internal/__init__.py

@@ -143,7 +143,7 @@ def get_logger(
 
             version: Optional. The version string of the
                 instrumenting library.  Usually this should be the same as
-                ``pkg_resources.get_distribution(instrumenting_library_name).version``.
+                ``importlib.metadata.version(instrumenting_library_name)``.
 
             schema_url: Optional. Specifies the Schema URL of the emitted telemetry.
         """

opentelemetry-sdk/pyproject.toml

@@ -28,7 +28,6 @@ classifiers = [
 dependencies = [
   "opentelemetry-api == 1.19.0.dev",
   "opentelemetry-semantic-conventions == 0.40b0.dev",
-  "setuptools >= 16.0",
   "typing-extensions >= 3.7.4",
 ]