Remove accidentally duped line

Author: zoffixznet

doc/Language/unicode_texas.pod6

@@ -110,7 +110,6 @@ equivalents] that have a special meaning in Perl 6.
   ⊖      |  U+2296   | (^)        |
   ⊍      |  U+228D   | (.)        |
   ⊎      |  U+228E   | (+)        |
-  ⊎      |  U+228E   | (+)        |
 
 =head2 Atomic Operators