removed google books urls from references

notes/_primary-themes.th.txt

@@ -1003,7 +1003,6 @@ cryptid, legendary being
 
 :: References
 https://en.wikipedia.org/wiki/Yeti
-https://books.google.co.jp/books?id=xsMSPwAACAAJ&pg=PR7&source=gbs_selected_pages&cad=3#v=onepage&q&f=false
 
 :: Aliases
 Abominable Snowman
@@ -9655,7 +9654,6 @@ speculative travel
 
 :: References
 https://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/descent-underworld
-https://books.google.co.jp/books/about/Dictionary_of_Literary_Themes_and_Motifs.html?id=OCHXr3RIETQC&redir_esc=y
 
 :: Aliases
 descent into hell
@@ -15544,7 +15542,6 @@ human rights issue
 
 :: References
 https://en.wikipedia.org/wiki/Homosexuality
-https://books.google.cz/books/about/Dictionary_of_Literary_Themes_and_Motifs.html?id=OCHXr3RIETQC&redir_esc=y
 
 :: Aliases
 homosexuality