[sql] Remove SQLite 3.10.2 reference directory.

third_party/sqlite/sqlite-src-3100200/tool/warnings.sh

-#/bin/sh
-#
-# Run this script in a directory with a working makefile to check for 
-# compiler warnings in SQLite.
-#
-rm -f sqlite3.c
-make sqlite3.c
-echo '********** No optimizations.  Includes FTS4 and RTREE *********'
-gcc -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
-      -ansi -DHAVE_STDINT_H -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_RTREE \
-      sqlite3.c
-echo '********** Android configuration ******************************'
-gcc -c \
-  -DHAVE_USLEEP=1 \
-  -DSQLITE_HAVE_ISNAN \
-  -DSQLITE_DEFAULT_JOURNAL_SIZE_LIMIT=1048576 \
-  -DSQLITE_THREADSAFE=2 \
-  -DSQLITE_TEMP_STORE=3 \
-  -DSQLITE_POWERSAFE_OVERWRITE=1 \
-  -DSQLITE_DEFAULT_FILE_FORMAT=4 \
-  -DSQLITE_DEFAULT_AUTOVACUUM=1 \
-  -DSQLITE_ENABLE_MEMORY_MANAGEMENT=1 \
-  -DSQLITE_ENABLE_FTS3 \
-  -DSQLITE_ENABLE_FTS3_BACKWARDS \
-  -DSQLITE_ENABLE_FTS4 \
-  -DSQLITE_OMIT_BUILTIN_TEST \
-  -DSQLITE_OMIT_COMPILEOPTION_DIAGS \
-  -DSQLITE_OMIT_LOAD_EXTENSION \
-  -DSQLITE_DEFAULT_FILE_PERMISSIONS=0600 \
-  -DSQLITE_ENABLE_ICU \
-  -DUSE_PREAD64 \
-  -Wshadow -Wall -Wextra \
-  -Os sqlite3.c shell.c
-echo '********** No optimizations. ENABLE_STAT4. THREADSAFE=0 *******'
-gcc -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
-      -ansi -DSQLITE_ENABLE_STAT4 -DSQLITE_THREADSAFE=0 \
-      sqlite3.c
-echo '********** Optimized -O3.  Includes FTS4 and RTREE ************'
-gcc -O3 -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
-      -ansi -DHAVE_STDINT_H -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_RTREE \
-      sqlite3.c