TEST-ONLY: Remove delayed CCS test

The test exercising a delayed CCS message is not
expected to work when datagram packing is used,
as the current UDP proxy is not able to recognize
records which are not at the beginning of a
datagram.

tests/ssl-opt.sh

@@ -5701,16 +5701,6 @@ run_test    "DTLS proxy: inject invalid AD record, badmac_limit 2, exchanges 2"\
             -s "too many records with bad MAC" \
             -s "Verification of the message MAC failed"
 
-run_test    "DTLS proxy: delay ChangeCipherSpec" \
-            -p "$P_PXY delay_ccs=1" \
-            "$P_SRV dtls=1 debug_level=1" \
-            "$P_CLI dtls=1 debug_level=1" \
-            0 \
-            -c "record from another epoch" \
-            -s "record from another epoch" \
-            -s "Extra-header:" \
-            -c "HTTP/1.0 200 OK"
-
 # Tests for "randomly unreliable connection": try a variety of flows and peers
 
 client_needs_more_time 2