Remove unnecessary pipe checks in termstatus

canUpdateStatus has already determined that the file descriptor is not a
pipe.

internal/ui/termstatus/terminal_windows.go

@@ -19,12 +19,6 @@ func clearCurrentLine(wr io.Writer, fd uintptr) func(io.Writer, uintptr) {
 		return windowsClearCurrentLine
 	}
 
-	// check if the output file type is a pipe (0x0003)
-	if isPipe(fd) {
-		// return empty func, update state is not possible on this terminal
-		return func(io.Writer, uintptr) {}
-	}
-
 	// assume we're running in mintty/cygwin
 	return posixClearCurrentLine
 }
@@ -36,12 +30,6 @@ func moveCursorUp(wr io.Writer, fd uintptr) func(io.Writer, uintptr, int) {
 		return windowsMoveCursorUp
 	}
 
-	// check if the output file type is a pipe (0x0003)
-	if isPipe(fd) {
-		// return empty func, update state is not possible on this terminal
-		return func(io.Writer, uintptr, int) {}
-	}
-
 	// assume we're running in mintty/cygwin
 	return posixMoveCursorUp
 }