Remove consonant check

Author: Azoy

test/embedded/unicode-dead-strip1.swift

@@ -30,7 +30,6 @@ struct Main {
 // The code uses String equality and hashing, should need the normalization, NFC, NFD tables, and not the others.
 // EXCLUDES-NOT: swift_stdlib_case
 // EXCLUDES-NOT: swift_stdlib_graphemeBreakProperties
-// EXCLUDES-NOT: swift_stdlib_InCB_Consonant
 // EXCLUDES-NOT: swift_stdlib_mappings
 // EXCLUDES-NOT: swift_stdlib_names
 // INCLUDES:     swift_stdlib_nfc

test/embedded/unicode-dead-strip2.swift

@@ -19,7 +19,6 @@ struct Main {
 // The code uses String case conversion, should need the mapping tables, and not the others.
 // EXCLUDES-NOT: swift_stdlib_case
 // EXCLUDES-NOT: swift_stdlib_graphemeBreakProperties
-// EXCLUDES-NOT: swift_stdlib_InCB_Consonant
 // INCLUDES:     swift_stdlib_mappings
 // EXCLUDES-NOT: swift_stdlib_names
 // EXCLUDES-NOT: swift_stdlib_nfc

test/embedded/unicode-dead-strip3.swift

@@ -21,7 +21,6 @@ struct Main {
 // The code uses String splitting, should need the normalization, NFC, NFD, grapheme breaking, linking tables, and not the others.
 // EXCLUDES-NOT: swift_stdlib_case
 // INCLUDES:     swift_stdlib_graphemeBreakProperties
-// INCLUDES:     swift_stdlib_InCB_Consonant
 // EXCLUDES-NOT: swift_stdlib_mappings
 // EXCLUDES-NOT: swift_stdlib_names
 // INCLUDES:     swift_stdlib_nfc