remove references to TCPSocket in Base docstrings (#26298)

base/stream.jl

@@ -951,7 +951,7 @@ the pipe. The `wr` end is given for convenience in case the old
 elsewhere.
 
 !!! note
-    `stream` must be a `TTY`, a `Pipe`, or a [`TCPSocket`](@ref).
+    `stream` must be a `TTY`, a `Pipe`, or a socket.
 """
 redirect_stdout
 
@@ -961,7 +961,7 @@ redirect_stdout
 Like [`redirect_stdout`](@ref), but for [`stderr`](@ref).
 
 !!! note
-    `stream` must be a `TTY`, a `Pipe`, or a [`TCPSocket`](@ref).
+    `stream` must be a `TTY`, a `Pipe`, or a socket.
 """
 redirect_stderr
 
@@ -973,7 +973,7 @@ Note that the order of the return tuple is still `(rd, wr)`,
 i.e. data to be read from [`stdin`](@ref) may be written to `wr`.
 
 !!! note
-    `stream` must be a `TTY`, a `Pipe`, or a [`TCPSocket`](@ref).
+    `stream` must be a `TTY`, a `Pipe`, or a socket.
 """
 redirect_stdin
 
@@ -998,7 +998,7 @@ Run the function `f` while redirecting [`stdout`](@ref) to `stream`.
 Upon completion, [`stdout`](@ref) is restored to its prior setting.
 
 !!! note
-    `stream` must be a `TTY`, a `Pipe`, or a [`TCPSocket`](@ref).
+    `stream` must be a `TTY`, a `Pipe`, or a socket.
 """
 redirect_stdout(f::Function, stream)
 
@@ -1009,7 +1009,7 @@ Run the function `f` while redirecting [`stderr`](@ref) to `stream`.
 Upon completion, [`stderr`](@ref) is restored to its prior setting.
 
 !!! note
-    `stream` must be a `TTY`, a `Pipe`, or a [`TCPSocket`](@ref).
+    `stream` must be a `TTY`, a `Pipe`, or a socket.
 """
 redirect_stderr(f::Function, stream)
 
@@ -1020,7 +1020,7 @@ Run the function `f` while redirecting [`stdin`](@ref) to `stream`.
 Upon completion, [`stdin`](@ref) is restored to its prior setting.
 
 !!! note
-    `stream` must be a `TTY`, a `Pipe`, or a [`TCPSocket`](@ref).
+    `stream` must be a `TTY`, a `Pipe`, or a socket.
 """
 redirect_stdin(f::Function, stream)