[Java] Update .gitignore

Author: mjpt777

.gitignore

@@ -2,7 +2,6 @@
 *~
 *.swp
 .idea
-*.iml
 .project
 .classpath
 .factorypath
@@ -16,7 +15,6 @@ build-local.properties
 deps
 /bin
 build
-classes
 .gradle
 target
 GTAGS
@@ -32,7 +30,7 @@ CMakeFiles
 lib
 gtest-prefix
 CMakeCache.txt
-./Makefile
+Makefile
 binaries
 codecs
 Testing
@@ -88,7 +86,6 @@ gocode/src/*/*/*.go
 gocode/src/example-schema/example-schema*
 gocode/src/example-schema/cpu.out
 gocode/src/example-socket-clientserver/example-socket-clientserver
-gocode/src/example-schema/cpu.out
 gocode/src/extension
 gocode/src/extension2
 
@@ -115,3 +112,4 @@ csharp/sbe-generated/uk_co_real_logic_sbe_benchmarks_fix
 
 # Mac
 .DS_Store
+/sbe-tool/src/main/golang/uk_co_real_logic_sbe_ir_generated/