removed differences from really old versions

e.g. v2.4

Author: sshanks-kx

docs/kb/inetd.md

@@ -14,7 +14,7 @@ When a client attempts to connect to one of the service, `inetd` will start a pr
 
 This way, `inetd` will run the server programs as they are needed by spawning multiple processes to service multiple network connections.
 
-A kdb+ server can work under `inetd` to provide a private server for each connection established on a designated port. (Since V2.4.)
+A kdb+ server can work under `inetd` to provide a private server for each connection established on a designated port.
 
 For Windows you might be able to have kdb+ run under `inetd` using Cygwin.
 

docs/ref/dotq.md

@@ -662,7 +662,7 @@ q).Q.ff[src] enlist `sym`ratioA`ratioB!3#1
 .Q.fk x
 ```
 
-Where `x` is a table column, returns `` ` `` if the column is not a foreign key or `` `tab`` if the column is a foreign key into `tab`.(Since V2.4t)
+Where `x` is a table column, returns `` ` `` if the column is not a foreign key or `` `tab`` if the column is a foreign key into `tab`.
 
 
 ## `fmt` (format)
@@ -676,7 +676,7 @@ Where
 -   `x` and `y` are integer atoms
 -   `z` is a numeric atom
 
-returns `z` as a string of length `x`, formatted to `y` decimal places. (Since V2.4)
+returns `z` as a string of length `x`, formatted to `y` decimal places.
 
 ```q
 q).Q.fmt[6;2]each 1 234

docs/ref/dotz.md

@@ -881,7 +881,6 @@ q)m[1;1]:0
 ## `.z.W` (handles)
 
 Dictionary of IPC handles with the number of bytes waiting in their output queues.
-<!-- (Since V2.5 2008.12.31.) In V2.6 this was changed to a list of bytes per handle, see [Changes in V2.6](../releases/ChangesIn2.6.md#zw) -->
 
 ```q
 q)h:hopen ...

docs/ref/take.md

@@ -60,7 +60,7 @@ q)trade
 +`time`sym`price`size!(`time$();`symbol$();`float$();`int$())
 ```
 
-Where `x` is a vector, returns a matrix or higher-dimensional array; `count x` gives the number of dimensions. (Since V2.3)
+Where `x` is a vector, returns a matrix or higher-dimensional array; `count x` gives the number of dimensions.
 
 ```q 
 q)2 5#"!"