fix(ebpf): remove `--dst`

[boratanrikulu]

Durdur doesn't support egress traffix right now. --dst is not useful.

[codecov[bot]]

Codecov Report

Merging #6 (5ad72ed) into main (9a89eb5) will increase coverage by 5.78%. The diff coverage is 44.44%.

@@            Coverage Diff             @@
##             main       #6      +/-   ##
==========================================
+ Coverage   69.34%   75.13%   +5.78%     
==========================================
  Files          15       15              
  Lines         411      378      -33     
==========================================
- Hits          285      284       -1     
+ Misses         94       65      -29     
+ Partials       32       29       -3     

Impacted Files	Coverage Δ
internal/ebpf/attach.go	66.66% <0.00%> (-3.34%)	:arrow_down:
internal/ebpf/drop.go	62.50% <ø> (+17.04%)	:arrow_up:
internal/ebpf/map.go	40.00% <0.00%> (+13.33%)	:arrow_up:
internal/ebpf/undrop.go	43.75% <ø> (+11.93%)	:arrow_up:
cmd/durdur/drop.go	88.46% <100.00%> (+10.12%)	:arrow_up:
cmd/durdur/undrop.go	67.85% <100.00%> (+8.48%)	:arrow_up:

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