[docs] Fixing broken URLs

- Removed Paul Tol URLs
- updated WSJ twitter URL

Author: jrnold

R/ptol.R

@@ -1,7 +1,7 @@
 #' Color Palettes from Paul Tol's "Colour Schemes"
 #'
 #' Qualitative color palettes from Paul Tol,
-#' \href{https://personal.sron.nl/~pault/}{"Colour Schemes"}.
+#' \href{https://sronpersonalpages.nl/~pault/}{"Colour Schemes"}.
 #'
 #' Incorporation of the palette into an R package was originally inspired by
 #' Peter Carl's [Paul Tol 21 Gun Salute](https://tradeblotter.wordpress.com/2013/02/28/the-paul-tol-21-color-salute/)
@@ -10,7 +10,7 @@
 #' @family colour ptol
 #' @references
 #' Paul Tol. 2012. "Colour Schemes." SRON Technical Note, SRON/EPS/TN/09-002.
-#'  \url{https://personal.sron.nl/~pault/data/colourschemes.pdf}
+#'  \url{https://sronpersonalpages.nl/~pault/data/colourschemes.pdf}
 #' @example inst/examples/ex-ptol_pal.R
 ptol_pal <- function() {
   colors <- ggthemes::ggthemes_data[["ptol"]][["qualitative"]]

R/wsj.R

@@ -6,7 +6,7 @@
 #'
 #' @references
 #'
-#' \url{https://twitter.com/WSJGraphics}
+#' \url{https://x.com/WSJGraphics}
 #'
 #' \url{https://pinterest.com/wsjgraphics/wsj-graphics/}
 #'
@@ -57,7 +57,7 @@ theme_wsj <- function(base_size = 12, color = "brown", base_family = "sans", tit
 #' The Wall Street Journal uses many different color palettes in its
 #' plots. This collects a few of them, but is by no means exhaustive.
 #' Collections of these plots can be found on the WSJ Graphics
-#' \href{https://twitter.com/WSJGraphics}{Twitter} feed and
+#' \href{https://x.com/WSJGraphics}{X (formerly Twitter)} feed and
 #' \href{https://pinterest.com/wsjgraphics/wsj-graphics/}{Pinterest}.
 #'
 #' @section Palettes: