Remove unused Makefile

src/plugins/print_api/Makefile

-##########################################################################
-#                                                                        #
-#  This file is part of Frama-C.                                         #
-#                                                                        #
-#  Copyright (C) 2007-2022                                               #
-#    CEA (Commissariat à l'énergie atomique et aux énergies              #
-#         alternatives)                                                  #
-#                                                                        #
-#  you can redistribute it and/or modify it under the terms of the GNU   #
-#  Lesser General Public License as published by the Free Software       #
-#  Foundation, version 2.1.                                              #
-#                                                                        #
-#  It is distributed in the hope that it will be useful,                 #
-#  but WITHOUT ANY WARRANTY; without even the implied warranty of        #
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         #
-#  GNU Lesser General Public License for more details.                   #
-#                                                                        #
-#  See the GNU Lesser General Public License version 2.1                 #
-#  for more details (enclosed in the file licenses/LGPLv2.1).            #
-#                                                                        #
-##########################################################################
-
-# Print_api plugin
-##################
-
-# Frama-C should be properly installed with "make install"
-# befor any use of this makefile
-
-ifndef FRAMAC_SHARE
-FRAMAC_SHARE	:=$(shell frama-c.byte -print-path)
-endif
-ifndef FRAMAC_LIBDIR
-FRAMAC_LIBDIR	:=$(shell frama-c.byte -print-libpath)
-endif
-
-PLUGIN_DIR	?= .
-PLUGIN_NAME	:= Print_api
-PLUGIN_CMO	:= grammar lexer print_interface
-PLUGIN_GENERATED:= $(PLUGIN_DIR)/grammar.ml $(PLUGIN_DIR)/grammar.mli \
-		$(PLUGIN_DIR)/lexer.ml
-PLUGIN_DISTRIB_EXTERNAL:=Makefile
-
-include $(FRAMAC_SHARE)/Makefile.dynamic
-
-clean:: 
-	$(RM) $(Print_api_DIR)/dynamic_plugins.mli
-	$(RM) $(Print_api_DIR)/grammar.output
-	$(RM) $(Print_api_DIR)/grammar.ml
-	$(RM) $(Print_api_DIR)/grammar.mli
-	$(RM) $(Print_api_DIR)/lexer.ml
-	$(RM) -r _build