Remove bad at-eval

[Keno]

I don't know what this was supposed to do, but what it accomplishes in reality is to break pre-compilation,
so better remove it ;).

[codecov-io]

Codecov Report

Merging #417 (e3ca7ca) into master (9126cc5) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #417   +/-   ##
=======================================
  Coverage   83.41%   83.41%           
=======================================
  Files          15       15           
  Lines        1284     1284           
=======================================
  Hits         1071     1071           
  Misses        213      213           

Impacted Files	Coverage Δ
src/display.jl	93.82% <100.00%> (ø)

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[giordano]

Thanks!