Remove support for SQLITE_ENABLE_STAT3. The sqlite_stat3 table is now ignored,

if it exists.  Run ANALYZE using STAT4 to get the equivalent functionality,
which presumably everybody has been doing for a long time now.

FossilOrigin-Name: f1cd234c9888142e0ac542d866d7fb55a81fb7edd0a5cd810191b4e0395ffc7d

diff --cc manifest
index 43c3c88b561e665bea57f11b79fc7133086f7590,563bb225763d3472d7859a0e3bf9dbee3f2d8bf2..4252b9fe22d88ff1c14f2746454769eb59c8bd2c
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\sa\scase\sof\sthe\sExpr.affinity\sto\sExpr.affExpr\srefactor\sthat\swas\smissed\nin\sthe\s[a29f2a7d07beff64]\scheck-in.
- D 2019-08-08T18:49:16.058
 -C More\slegacy\sSTAT3\scode\sremoved.
 -D 2019-08-08T16:23:12.537
++C Remove\ssupport\sfor\sSQLITE_ENABLE_STAT3.\s\sThe\ssqlite_stat3\stable\sis\snow\signored,\nif\sit\sexists.\s\sRun\sANALYZE\susing\sSTAT4\sto\sget\sthe\sequivalent\sfunctionality,\nwhich\spresumably\severybody\shas\sbeen\sdoing\sfor\sa\slong\stime\snow.
++D 2019-08-08T19:19:42.118
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -521,14 -521,14 +521,14 @@@ F src/pragma.h 4a9fabff14db4487a734dfee
  F src/prepare.c 1fdf68a8add154bd1de978dde5a4819478e2576d5701b93db2c65d78c3daf1c8
  F src/printf.c 9be6945837c839ba57837b4bc3af349eba630920fa5532aa518816defe42a7d4
  F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
 -F src/resolve.c 3ed5a3de18b455366771a89241283fef16508a7f681af546296e95e81458efeb
 +F src/resolve.c bf7cbb8e9d33a39af67af8fd2416a3769815b4478a7ab1051a7adaf84b269a14
  F src/rowset.c d977b011993aaea002cab3e0bb2ce50cf346000dff94e944d547b989f4b1fe93
  F src/select.c 1c2c1d3ca6437349c5bceab29c9d3583f8fedb21ab3366d6f9d7381259af60cf
- F src/shell.c.in 97714cd5e177b6d53fac83c74becf4b19fe0aa8f1a4ed6a4fa1eede4bafb96f7
- F src/sqlite.h.in dfe86c132b5085e00cf0539c78510b75e60d740191804c9848e8bb7aa850fff5
+ F src/shell.c.in 3f2c64bf86bef3854bb4ee0a380a9fc05e9f92dafac2babbb929d5aad6f129ad
+ F src/sqlite.h.in c6bba28018378b6b43fcf4db7e9f1a3e84b0157ff54dc22ed3977acdac88e051
  F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
  F src/sqlite3ext.h 9ecc93b8493bd20c0c07d52e2ac0ed8bab9b549c7f7955b59869597b650dd8b5
- F src/sqliteInt.h e24c813896e6649d9ef42b85a83fb362b043858339f8c912979d519e69e3cd57
+ F src/sqliteInt.h 9286c237c240e578eac0dac23d7a4cd030c8eb5ecb6d549ae211b288382c22fd
  F src/sqliteLimit.h 1513bfb7b20378aa0041e7022d04acb73525de35b80b252f1b83fedb4de6a76b
  F src/status.c 46e7aec11f79dad50965a5ca5fa9de009f7d6bde08be2156f1538a0a296d4d0e
  F src/table.c b46ad567748f24a326d9de40e5b9659f96ffff34
@@@ -1838,7 -1835,7 +1835,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 30e6ee27a9fb78291c324ac9b80db4579280140430804ecd4692e312f9938525
- R 512cee908b313724b2807c8a9eaa1da4
 -P 1e17ea2fd1df4ad49138c787c8fe3207dd0c25c93f9001d52a9b69f8c12e841c
 -R 47ee4575144fd0a9a8df67d32ca1390a
++P 83450d10707e2c7c075f3930a8c231c49c593b9cdf0e6097b0187eb877755d2d 845d2f17de5b4740f95884307d9efec3223737bb0f2c4a74693666caf5f61c21
++R f18358a2647a61095ce357bfd10682c8
++T +closed 845d2f17de5b4740f95884307d9efec3223737bb0f2c4a74693666caf5f61c21
  U drh
- Z 42b155863d11e880f0842b08a2882f92
 -Z b905391cab37e9fb5f47472fde6dd23e
++Z 3f9560f67541a69c8a07bb2d6ae86f3e

diff --cc manifest.uuid
index be89323abcf28b85434fe7d5e7d00c3bb3340a78,5418bdd5aae9d4b5969a809f5b137cd116916f4b..f02421647b02ff7cc58ecd2cff6b65a8af944cf0
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 83450d10707e2c7c075f3930a8c231c49c593b9cdf0e6097b0187eb877755d2d
 -845d2f17de5b4740f95884307d9efec3223737bb0f2c4a74693666caf5f61c21
++f1cd234c9888142e0ac542d866d7fb55a81fb7edd0a5cd810191b4e0395ffc7d