Revert "implement sin and cos table"

This reverts commit 650edff95c.

src/main.rs

@@ -2,14 +2,14 @@ use physarum::model;
 
 fn main() {
     // # of iterations to go through
-    let n_iterations = 128;
+    let n_iterations = 1024;
     // let n_iterations = 2048;
     // let n_iterations = 1 << 14;
 
     // Size of grid and pictures
-    let (width, height) = (256, 256);
+    // let (width, height) = (256, 256);
     // let (width, height) = (512, 512);
-    // let (width, height) = (1024, 1024);
+    let (width, height) = (1024, 1024);
 
     // # of agents
     // let n_particles = 1 << 10;