Migrate `run-make/rustdoc-scrape-examples-multiple` to `rmake.rs`

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -235,7 +235,6 @@ run-make/rmeta-preferred/Makefile
 run-make/rustc-macro-dep-files/Makefile
 run-make/rustdoc-io-error/Makefile
 run-make/rustdoc-scrape-examples-macros/Makefile
-run-make/rustdoc-scrape-examples-multiple/Makefile
 run-make/rustdoc-verify-output-files/Makefile
 run-make/rustdoc-with-output-option/Makefile
 run-make/rustdoc-with-short-out-dir-option/Makefile

tests/run-make/rustdoc-scrape-examples-multiple/Makefile

@@ -1,5 +0,0 @@
-deps := ex ex2
-
-include ./scrape.mk
-
-all: scrape

tests/run-make/rustdoc-scrape-examples-multiple/rmake.rs

@@ -0,0 +1,6 @@
+#[path = "../rustdoc-scrape-examples-remap/scrape.rs"]
+mod scrape;
+
+fn main() {
+    scrape::scrape(&[]);
+}

tests/run-make/rustdoc-scrape-examples-multiple/scrape.mk

@@ -1,21 +0,0 @@
-include ../tools.mk
-
-OUTPUT_DIR := "$(TMPDIR)/rustdoc"
-
-$(TMPDIR)/%.calls: $(TMPDIR)/libfoobar.rmeta
-	$(RUSTDOC) examples/$*.rs --crate-name $* --crate-type bin --output $(OUTPUT_DIR) \
-	  --extern foobar=$(TMPDIR)/libfoobar.rmeta \
-		-Z unstable-options \
-		--scrape-examples-output-path $@ \
-		--scrape-examples-target-crate foobar \
-		$(extra_flags)
-
-$(TMPDIR)/lib%.rmeta: src/lib.rs
-	$(RUSTC) src/lib.rs --crate-name $* --crate-type lib --emit=metadata
-
-scrape: $(foreach d,$(deps),$(TMPDIR)/$(d).calls)
-	$(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --output $(OUTPUT_DIR) \
-		-Z unstable-options \
-		$(foreach d,$(deps),--with-examples $(TMPDIR)/$(d).calls)
-
-	$(HTMLDOCCK) $(OUTPUT_DIR) src/lib.rs