patch 9.1.0549: fuzzycollect regex based completion not working as expected

Problem:  fuzzycollect regex based completion not working as expected
Solution: Revert Patch v9.1.0503 (glepnir)

closes: #15192

Signed-off-by: glepnir <glephunter@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/optionstr.c b/src/optionstr.c
index 9adb77d..417f785 100644
--- a/src/optionstr.c
+++ b/src/optionstr.c
@@ -118,7 +118,7 @@
 				NULL};
 static char *(p_fcl_values[]) = {"all", NULL};
 #endif
-static char *(p_cot_values[]) = {"menu", "menuone", "longest", "preview", "popup", "popuphidden", "noinsert", "noselect", "fuzzy", "fuzzycollect", NULL};
+static char *(p_cot_values[]) = {"menu", "menuone", "longest", "preview", "popup", "popuphidden", "noinsert", "noselect", "fuzzy", NULL};
 #ifdef BACKSLASH_IN_FILENAME
 static char *(p_csl_values[]) = {"slash", "backslash", NULL};
 #endif