www/*-node21: Remove slave ports which were part of www/node21

Reported by:	antoine

MOVED

@@ -3375,3 +3375,5 @@ www/zend-framework||2024-06-30|Has expired: Deprecated by upstream, and moved to
 sysutils/torque||2024-06-30|Has expired: unfetchable, upstream no longer open source
 lang/icc||2024-07-01|Has expired: This version is EOL since a long time, i386 only, and the current clang based Intel oneAPI DPC++/C++ seems to work
 graphics/intel-backlight||2024-07-01|Has expired: Use backlight(8)
+www/yarn-node21||2024-07-02|Removed, part of www/node21
+www/npm-node21||2024-07-02|Removed, part of www/node21

www/Makefile

@@ -472,7 +472,6 @@
     SUBDIR += npm
     SUBDIR += npm-node18
     SUBDIR += npm-node20
-    SUBDIR += npm-node21
     SUBDIR += npm-node22
     SUBDIR += oauth2-proxy
     SUBDIR += obhttpd
@@ -2505,7 +2504,6 @@
     SUBDIR += yarn
     SUBDIR += yarn-node18
     SUBDIR += yarn-node20
-    SUBDIR += yarn-node21
     SUBDIR += yarn-node22
     SUBDIR += yarr
     SUBDIR += yaws

www/npm-node21/Makefile

-USES=		nodejs:21,run
-
-MASTERDIR=	${.CURDIR}/../npm-node20
-
-.include "${MASTERDIR}/Makefile"

www/yarn-node21/Makefile

-USES=		nodejs:21,run
-
-MASTERDIR=	${.CURDIR}/../yarn-node20
-
-.include "${MASTERDIR}/Makefile"