Try to clean up task runner noise (#14169)

docs/3.0rc/develop/write-tasks/index.mdx

@@ -708,87 +708,3 @@ If you just need the result from a task, call the task from your flow. For most
 the default behavior of calling a task directly and receiving a result is enough.
 </Tip>
 
-## Wait for
-
-To create a dependency between two tasks that do not exchange data, but one needs to wait for the other to 
-finish, use the special [`wait_for`](/3.0rc/api-ref/prefect/tasks/#prefect.tasks.Task.submit) keyword argument:
-
-```python
-@task
-def task_1():
-    pass
-
-@task
-def task_2():
-    pass
-
-@flow
-def my_flow():
-    x = task_1()
-
-    # task 2 will wait for task_1 to complete
-    y = task_2(wait_for=[x])
-```
-
-## Map
-
-Prefect provides a `.map()` implementation that automatically creates a task run for each element of its 
-input data. Mapped tasks represent the computations of many individual children tasks.
-
-The simplest Prefect map takes a task and applies it to each element of its inputs.
-
-```python
-from prefect import flow, task
-
-@task
-def print_nums(nums):
-    for n in nums:
-        print(n)
-
-@task
-def square_num(num):
-    return num**2
-
-@flow
-def map_flow(nums):
-    print_nums(nums)
-    squared_nums = square_num.map(nums) 
-    print_nums(squared_nums)
-
-map_flow([1,2,3,5,8,13])
-```
-
-Prefect also supports `unmapped` arguments, allowing you to pass static values that don't get mapped over.
-
-```python
-from prefect import flow, task
-
-@task
-def add_together(x, y):
-    return x + y
-
-@flow
-def sum_it(numbers, static_value):
-    futures = add_together.map(numbers, static_value)
-    return futures
-
-sum_it([1, 2, 3], 5)
-```
-
-If your static argument is an iterable, wrap it with `unmapped` to tell Prefect to treat it 
-as a static value.
-
-```python
-from prefect import flow, task, unmapped
-
-@task
-def sum_plus(x, static_iterable):
-    return x + sum(static_iterable)
-
-@flow
-def sum_it(numbers, static_iterable):
-    futures = sum_plus.map(numbers, static_iterable)
-    return futures
-
-sum_it([4, 5, 6], unmapped([1, 2, 3]))
-```