Drop support for opentracing (#2342)

Author: xrmx

.ci/.matrix_framework.yml

@@ -12,7 +12,6 @@ FRAMEWORK:
   - flask-3.0
   - jinja2-3
   - opentelemetry-newest
-  - opentracing-newest
   - twisted-newest
   - celery-5-flask-2
   - celery-5-django-4

.ci/.matrix_framework_fips.yml

@@ -6,7 +6,6 @@ FRAMEWORK:
   - flask-3.0
   - jinja2-3
   - opentelemetry-newest
-  - opentracing-newest
   - twisted-newest
   - celery-5-flask-2
   - celery-5-django-5

.ci/.matrix_framework_full.yml

@@ -30,8 +30,6 @@ FRAMEWORK:
   - celery-5-django-4
   - celery-5-django-5
   - opentelemetry-newest
-  - opentracing-newest
-  - opentracing-2.0
   - twisted-newest
   - twisted-18
   - twisted-17

elasticapm/contrib/opentracing/__init__.py

@@ -56,8 +56,6 @@ tornado =
     tornado
 starlette =
     starlette
-opentracing =
-    opentracing>=2.0.0
 sanic =
     sanic
 opentelemetry =
@@ -82,7 +80,6 @@ markers =
     gevent
     eventlet
     celery
-    opentracing
     cassandra
     psycopg2
     mongodb