[PATCH v1] docs: real-time: Fix duplicated sched(7) text

[Costa Shulyupin]

The man page reference appeared twice - once as plain text and
once as a hyperlink. Remove the plain text duplicate.

Assisted-by: Claude:claude-opus-4-6
Signed-off-by: Costa Shulyupin <costa.shul@xxxxxxxxxx>
---
 Documentation/core-api/real-time/theory.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/core-api/real-time/theory.rst b/Documentation/core-api/real-time/theory.rst
index 43d0120737f8..92de5654163d 100644
--- a/Documentation/core-api/real-time/theory.rst
+++ b/Documentation/core-api/real-time/theory.rst
@@ -25,7 +25,7 @@ Scheduling
 ==========
 
 The core principles of Linux scheduling and the associated user-space API are
-documented in the man page sched(7)
+documented in the man page
 `sched(7) <https://man7.org/linux/man-pages/man7/sched.7.html>`_.
 By default, the Linux kernel uses the SCHED_OTHER scheduling policy. Under
 this policy, a task is preempted when the scheduler determines that it has
-- 
2.53.0