remove liblwgeom from dependencies in citus

configure.in

@@ -208,12 +208,6 @@ failure.  It is possible the compiler isn't looking in the proper directory.
 Use --without-libcurl to disable libcurl support.])])
 fi
 
-#
-# liblwgeom
-#
-AC_CHECK_LIB(lwgeom, lwgeom_add_bbox, [], [AC_MSG_ERROR([liblwgeom not found])])
-AC_CHECK_HEADER(liblwgeom.h, [], [AC_MSG_ERROR([liblwgeom header not found])])
-
 # REPORTS_BASE_URL definition
 PGAC_ARG_REQ(with, reports-hostname, [HOSTNAME],
              [Use HOSTNAME as hostname for statistics collection and update checks],

src/include/citus_config.h.in

@@ -37,21 +37,18 @@
 /* Define to 1 if you have the `curl' library (-lcurl). */
 #undef HAVE_LIBCURL
 
-/* Define to 1 if you have the `lwgeom' library (-llwgeom). */
-#undef HAVE_LIBLWGEOM
-
 /* Define to 1 if you have the `lz4' library (-llz4). */
 #undef HAVE_LIBLZ4
 
 /* Define to 1 if you have the `zstd' library (-lzstd). */
 #undef HAVE_LIBZSTD
 
-/* Define to 1 if you have the <memory.h> header file. */
-#undef HAVE_MEMORY_H
-
 /* Define to 1 if you have the <stdint.h> header file. */
 #undef HAVE_STDINT_H
 
+/* Define to 1 if you have the <stdio.h> header file. */
+#undef HAVE_STDIO_H
+
 /* Define to 1 if you have the <stdlib.h> header file. */
 #undef HAVE_STDLIB_H
 
@@ -94,5 +91,7 @@
 /* The size of `void *', as computed by sizeof. */
 #undef SIZEOF_VOID_P
 
-/* Define to 1 if you have the ANSI C header files. */
+/* Define to 1 if all of the C90 standard headers exist (not just the ones
+   required in a freestanding environment). This macro is provided for
+   backward compatibility; new code need not use it. */
 #undef STDC_HEADERS