rust: remove build system HAVE_RUST guards

rust/Makefile.am

@@ -1,12 +1,8 @@
-EXTRA_DIST = 	Cargo.toml \
+EXTRA_DIST = Cargo.toml Cargo.lock \
 		src \
 		.cargo/config.in \
 		gen-c-headers.py
 
-if HAVE_RUST
-
-EXTRA_DIST +=	Cargo.lock
-
 if HAVE_CARGO_VENDOR
 EXTRA_DIST +=	vendor
 endif
@@ -75,8 +71,3 @@ gen/c-headers:
 else
 gen/c-headers:
 endif
-else # HAVE_RUST
-
-all-local clean-local check vendor gen/c-headers:
-
-endif # HAVE_RUST

src/Makefile.am

@@ -542,10 +542,7 @@ AM_CPPFLAGS = $(all_includes)
 # the library search path.
 suricata_LDFLAGS = $(all_libraries) ${SECLDFLAGS}
 suricata_LDADD = $(HTP_LDADD) $(RUST_LDADD)
-
-if HAVE_RUST
 suricata_DEPENDENCIES = $(RUST_SURICATA_LIB)
-endif
 
 # default CFLAGS
 AM_CFLAGS = ${OPTIMIZATION_CFLAGS} ${GCC_CFLAGS} ${CLANG_CFLAGS}            \