Revert "feat(connecteventmanager): block Connected() until accepted (#435)" and tests

[Jorropo]

This reverts commit 7ec68c5.
This reverts commit 59a2bca.
This reverts commit 1d2f5e5.

See #436 (comment)

cc @hannahhoward @rvagg if the fix were working out for you, I think you can continue to run the previous commit while a proper fix is made.

[codecov]

Codecov Report

Merging #444 (b15f2a5) into main (db4e43a) will decrease coverage by 0.47%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main     #444      +/-   ##
==========================================
- Coverage   50.11%   49.64%   -0.47%     
==========================================
  Files         249      249              
  Lines       29998    29980      -18     
==========================================
- Hits        15033    14885     -148     
- Misses      13532    13659     +127     
- Partials     1433     1436       +3     

Files Changed	Coverage Δ
bitswap/network/connecteventmanager.go	0.00% <0.00%> (-78.81%)	⬇️

... and 7 files with indirect coverage changes

[aschmahmann]

LGTM, the fix was likely worse than the problem since blocking go-libp2p connections to finish processing in Bitswap can lead to misery across the stack (we've had this problem before). This will have to get fixed another way that doesn't block go-libp2p connections.