[PATCH] org-contrib/babel/intro.org: Delete unnecessary leading commas in some blocks

[shynur .]

These commas are confusing.
See <https://orgmode.org/worg/org-contrib/babel/intro.html>.

0001-org-contrib-babel-intro.org-Delete-unnecessary-leadi.patch
Description: 0001-org-contrib-babel-intro.org-Delete-unnecessary-leadi.patch