Fix plant example

Author: remko

src/web/thurtle/programs.ts

@@ -207,14 +207,6 @@ HEX 006A47 DECIMAL CONSTANT 🟩
 HEX 825E5C DECIMAL CONSTANT 🟫
 HEX A8D3FF DECIMAL CONSTANT 🟦
 
-VARIABLE RND
-134348 RND !
-
-: RANDOM ( -- n )
-  RND @ 75 * 74 + 65537 MOD
-  DUP RND !
-;
-
 : CHOOSE ( n1 -- n2 )
   RANDOM ABS 2147483647 */MOD SWAP DROP 
 ;