remove read/write files from docs

Author: geraintpalmer

docs/Guides/from_file.rst

@@ -28,6 +28,5 @@ Contents:
    state_trackers.rst
    deadlock.rst
    process_based.rst
-   from_file.rst
    behaviour/index.rst
    parallel_process.rst

docs/Guides/index.rst

@@ -54,7 +54,7 @@ Let's implement this into a one node infinite server queue::
     >>> N = ciw.create_network(
     ...     arrival_distributions=[TimeDependentDist()],
     ...     service_distributions=[ciw.dists.Deterministic(value=0.0)],
-    ...     number_of_servers=['Inf']
+    ...     number_of_servers=[float('Inf')]
     ... )
 
 We'll then simulate this for 1 day.
@@ -87,7 +87,7 @@ For example::
     >>> N = ciw.create_network(
     ...     arrival_distributions=[TimeDependentDist()],
     ...     service_distributions=[ciw.dists.Deterministic(value=0.0)],
-    ...     number_of_servers=['Inf']
+    ...     number_of_servers=[float('Inf')]
     ... )
     >>> Q = ciw.Simulation(N)
     >>> Q.simulate_until_max_time(101)

docs/Guides/time_dependent.rst

@@ -5,7 +5,7 @@ List of Parameters
 ==================
 
 Below is a full list of the parameters that the :code:`create_network` function can take, along with a description of the values required.
-If using a parameters file then here are the arguments and values of the required :code:`.yml` file.
+
 
 arrival_distributions
 ~~~~~~~~~~~~~~~~~~~~~