tools: remove outdated pandoc-types version from pandoc filters

tools/pandoc-capitalize-headers.hs

@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types -}
 -- Ensure level 1 and 2 headings are first-letter-capitalised.
 
 import Data.Char

tools/pandoc-demote-headers.hs

@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types -}
 
 import Text.Pandoc.JSON
 import Text.Pandoc.Walk

tools/pandoc-drop-html-blocks.hs

@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types -}
 
 import Text.Pandoc.JSON
 

tools/pandoc-drop-html-inlines.hs

@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types -}
 
 import Text.Pandoc.JSON
 

tools/pandoc-drop-links.hs

@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types -}
 
 import Text.Pandoc.JSON
 

tools/pandoc-drop-man-blocks.hs

@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types -}
 
 import Text.Pandoc.Builder
 import Text.Pandoc.JSON

tools/pandoc-drop-notes.hs

@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types -}
 
 import Text.Pandoc.JSON
 

tools/pandoc-drop-web-blocks.hs

@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types -}
 
 import Text.Pandoc.Builder
 import Text.Pandoc.JSON