Move timeout config options into correct section

The interrupt_timeout and terminate_timeout options are set on the
environment, not globally.

docs/config.rst

@@ -160,22 +160,6 @@ Global settings are defined under the ``tox`` section as:
     Name of the virtual environment used to create a source distribution from the
     source tree.
 
-.. conf:: interrupt_timeout ^ float ^ 0.3
-
-    .. versionadded:: 3.15.0
-
-    When tox is interrupted, it propagates the signal to the child process,
-    waits :conf:``interrupt_timeout`` seconds, and sends it a SIGTERM if it hasn't
-    exited.
-
-.. conf:: terminate_timeout ^ float ^ 0.2
-
-    .. versionadded:: 3.15.0
-
-    When tox is interrupted, it propagates the signal to the child process,
-    waits :conf:``interrupt_timeout`` seconds, sends it a SIGTERM, waits
-    :conf:``terminate_timeout`` seconds, and sends it a SIGKILL if it hasn't exited.
-
 Jenkins override
 ++++++++++++++++
 
@@ -597,6 +581,22 @@ Complete list of settings that you can put into ``testenv*`` sections:
        via the ``-e`` tox will only run those three (even if ``coverage`` may specify as ``depends`` other targets too -
        such as ``py27, py35, py36, py37``).
 
+.. conf:: interrupt_timeout ^ float ^ 0.3
+
+    .. versionadded:: 3.15.0
+
+    When tox is interrupted, it propagates the signal to the child process,
+    waits :conf:``interrupt_timeout`` seconds, and sends it a SIGTERM if it hasn't
+    exited.
+
+.. conf:: terminate_timeout ^ float ^ 0.2
+
+    .. versionadded:: 3.15.0
+
+    When tox is interrupted, it propagates the signal to the child process,
+    waits :conf:``interrupt_timeout`` seconds, sends it a SIGTERM, waits
+    :conf:``terminate_timeout`` seconds, and sends it a SIGKILL if it hasn't exited.
+
 Substitutions
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