DOC: internal: remove totally outdated diagrams
The "sequence" and "entities" diagrams have become so much outdated that
they are at best confusing, but more generally wrong. Let's simply remove
them.
diff --git a/doc/internals/entities.fig b/doc/internals/entities.fig
deleted file mode 100644
index 5f85b82..0000000
--- a/doc/internals/entities.fig
+++ /dev/null
@@ -1,270 +0,0 @@
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diff --git a/doc/internals/entities.pdf b/doc/internals/entities.pdf
deleted file mode 100644
index 8be4aeb..0000000
--- a/doc/internals/entities.pdf
+++ /dev/null
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deleted file mode 100644
index 839bbd2..0000000
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diff --git a/doc/internals/sequence.fig b/doc/internals/sequence.fig
deleted file mode 100644
index 295ace7..0000000
--- a/doc/internals/sequence.fig
+++ /dev/null
@@ -1,123 +0,0 @@
-#FIG 3.2 Produced by xfig version 3.2.5-alpha5
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-4 0 0 50 -1 12 7 0.0000 4 90 1275 1710 1305 Standard settings\001
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--6
-6 450 2250 3510 3195
-4 0 0 50 -1 16 10 0.0000 4 150 2865 450 2385 Each time a poller detects an activity on a\001
-4 0 0 50 -1 16 10 0.0000 4 150 2940 450 2580 listening socket, this sequence is executed.\001
-4 0 0 50 -1 16 10 0.0000 4 150 3000 450 2775 Note that stream_sock_accept() loops until\001
-4 0 0 50 -1 16 10 0.0000 4 150 3030 450 2970 accept() returns an error or tune.maxaccept\001
-4 0 0 50 -1 16 10 0.0000 4 150 1830 450 3165 loops have been executed.\001
--6
-6 450 3375 3420 4275
-4 0 0 50 -1 16 10 0.0000 4 150 2535 450 3510 Once the session is started, function\001
-4 0 0 50 -1 16 10 0.0000 4 150 2880 450 3705 process_session() will be called once then\001
-4 0 0 50 -1 16 10 0.0000 4 150 2895 450 3900 each time an activity is detected on any of\001
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--6
-6 4230 945 6480 1125
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- 4230 945 6345 945 6345 1125 4230 1125 4230 945
-4 0 0 50 -1 14 10 0.0000 4 105 2205 4275 1080 rate-limit sessions ?\001
--6
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- 4455 1620 6885 1620 6885 1800 4455 1800 4455 1620
-4 0 0 50 -1 14 10 0.0000 4 135 2520 4521 1755 monitor-net (mode=tcp) ?\001
--6
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-4 0 0 50 -1 14 10 0.0000 4 135 2625 4725 3555 monitor-net (mode=http) ?\001
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- 4635 3195 7425 3195 7425 3735 4635 3735 4635 3195
-4 0 0 50 -1 14 10 0.0000 4 135 1575 4725 3330 http_init_txn()\001
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-4 1 0 51 -1 12 7 0.0000 4 75 1275 6930 2250 not enough memory\001
-4 0 0 51 -1 12 7 1.5708 4 60 1575 8010 2790 return "OK" and close\001
-4 0 0 50 -1 14 10 0.0000 4 135 1365 4275 1305 sock=accept()\001
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-4 1 0 51 -1 12 7 0.0000 4 60 225 7605 3870 Yes\001
-4 1 0 51 -1 12 7 0.0000 4 60 225 7065 1665 Yes\001
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-4 1 0 51 -1 12 7 0.0000 4 90 450 6525 585 ignore\001
-4 1 0 51 -1 12 7 0.0000 4 60 225 6120 765 Yes\001
-4 0 0 50 -1 17 12 0.0000 4 210 3000 450 630 Session instantiation sequence\001
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