testsuite: Rename scanltranstree.exp -> scanltrans.exp

Since r15-3254-g3f51f0dc88ec21c1ec79df694200f10ef85915f4
added scan-ltrans-rtl* variants to scanltranstree.exp, it no longer
makes sense to have "tree" in the name.  This renames the file
accordingly and updates users.

libatomic/ChangeLog:

	* testsuite/lib/libatomic.exp: Load scanltrans.exp instead of
	scanltranstree.exp.

libgomp/ChangeLog:

	* testsuite/lib/libgomp.exp: Load scanltrans.exp instead of
	scanltranstree.exp.

libitm/ChangeLog:

	* testsuite/lib/libitm.exp: Load scanltrans.exp instead of
	scanltranstree.exp.

libphobos/ChangeLog:

	* testsuite/lib/libphobos-dg.exp: Load scanltrans.exp instead of
	scanltranstree.exp.

libvtv/ChangeLog:

	* testsuite/lib/libvtv.exp: Load scanltrans.exp instead of
	scanltranstree.exp.

gcc/testsuite/ChangeLog:

	* gcc.dg-selftests/dg-final.exp: Load scanltrans.exp instead of
	scanltranstree.exp.
	* lib/gcc-dg.exp: Likewise.
	* lib/scanltranstree.exp: Rename to ...
	* lib/scanltrans.exp: ... this.

gcc/testsuite/gcc.dg-selftests/dg-final.exp

@@ -23,7 +23,7 @@ load_lib "scanlang.exp"
 load_lib "lto.exp"
 load_lib "scanasm.exp"
 load_lib "scanwpaipa.exp"
-load_lib "scanltranstree.exp"
+load_lib "scanltrans.exp"
 load_lib "scanoffloadtree.exp"
 load_lib "scanoffloadrtl.exp"
 load_lib "gcc-dg.exp"

gcc/testsuite/lib/gcc-dg.exp

@@ -21,7 +21,7 @@ load_lib target-supports-dg.exp
 load_lib scanasm.exp
 load_lib scanrtl.exp
 load_lib scantree.exp
-load_lib scanltranstree.exp
+load_lib scanltrans.exp
 load_lib scanipa.exp
 load_lib scanwpaipa.exp
 load_lib scanlang.exp

libatomic/testsuite/lib/libatomic.exp

@@ -38,7 +38,7 @@ load_gcc_lib scanlang.exp
 load_gcc_lib scanrtl.exp
 load_gcc_lib scansarif.exp
 load_gcc_lib scantree.exp
-load_gcc_lib scanltranstree.exp
+load_gcc_lib scanltrans.exp
 load_gcc_lib scanipa.exp
 load_gcc_lib scanwpaipa.exp
 load_gcc_lib multiline.exp

libgomp/testsuite/lib/libgomp.exp

@@ -31,7 +31,7 @@ load_gcc_lib scanlang.exp
 load_gcc_lib scanrtl.exp
 load_gcc_lib scansarif.exp
 load_gcc_lib scantree.exp
-load_gcc_lib scanltranstree.exp
+load_gcc_lib scanltrans.exp
 load_gcc_lib scanoffload.exp
 load_gcc_lib scanoffloadipa.exp
 load_gcc_lib scanoffloadtree.exp

libitm/testsuite/lib/libitm.exp

@@ -44,7 +44,7 @@ load_gcc_lib scanlang.exp
 load_gcc_lib scanrtl.exp
 load_gcc_lib scansarif.exp
 load_gcc_lib scantree.exp
-load_gcc_lib scanltranstree.exp
+load_gcc_lib scanltrans.exp
 load_gcc_lib scanipa.exp
 load_gcc_lib scanwpaipa.exp
 load_gcc_lib timeout-dg.exp

libphobos/testsuite/lib/libphobos-dg.exp

@@ -17,7 +17,7 @@
 load_gcc_lib multiline.exp
 load_gcc_lib prune.exp
 load_gcc_lib scandump.exp
-load_gcc_lib scanltranstree.exp
+load_gcc_lib scanltrans.exp
 load_gcc_lib scanwpaipa.exp
 load_gcc_lib file-format.exp
 load_gcc_lib scanasm.exp

libvtv/testsuite/lib/libvtv.exp

@@ -42,7 +42,7 @@ load_gcc_lib scanasm.exp
 load_gcc_lib scandump.exp
 load_gcc_lib scanrtl.exp
 load_gcc_lib scantree.exp
-load_gcc_lib scanltranstree.exp
+load_gcc_lib scanltrans.exp
 load_gcc_lib scanipa.exp
 load_gcc_lib scanwpaipa.exp
 load_gcc_lib timeout-dg.exp