Revert "[media] docs-rst: escape [] characters"

This patch touches on places where it shouldn't: image
files and code examples. Also, it doesn't fix all array
occurrences.

So, let's revert it.

This reverts commit ffbab694ede33c294e5864a5e0bf4d1474446a71.
diff --git a/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst b/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst
index 6fc564d..2e382cc 100644
--- a/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst
+++ b/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst
@@ -163,7 +163,7 @@
 
        -  char
 
-       -  ``name``\ \[64\]
+       -  ``name``\ [64]
 
        -  Entity name as an UTF-8 NULL-terminated string.
 
@@ -179,7 +179,7 @@
 
        -  __u32
 
-       -  ``reserved``\ \[12\]
+       -  ``reserved``\ [12]
 
        -  Reserved for future extensions. Drivers and applications must set
 	  this array to zero.
@@ -221,7 +221,7 @@
 
        -  __u32
 
-       -  ``reserved``\ \[9\]
+       -  ``reserved``\ [9]
 
        -  Reserved for future extensions. Drivers and applications must set
 	  this array to zero.
@@ -299,7 +299,7 @@
 
        -  __u32
 
-       -  ``reserved``\ \[9\]
+       -  ``reserved``\ [9]
 
        -  Reserved for future extensions. Drivers and applications must set
 	  this array to zero.
@@ -354,7 +354,7 @@
 
        -  __u32
 
-       -  ``reserved``\ \[5\]
+       -  ``reserved``\ [5]
 
        -  Reserved for future extensions. Drivers and applications must set
 	  this array to zero.