[Go] Restore golang/templates in the build, because they are required to generate marshaling code

Author: vyazelenko

build.gradle

@@ -234,8 +234,6 @@ project(':sbe-tool') {
     }
 
     jar {
-        exclude 'golang/templates'
-
         manifest.attributes(
             'Specification-Title': 'Simple Binary Encoding',
             'Specification-Version': '1.0',
@@ -251,9 +249,7 @@ project(':sbe-tool') {
         from sourceSets.main.allSource
         from ('src/main/cpp/otf') {
             into 'cpp'
-
         }
-        exclude 'golang/templates'
     }
 
     java {
@@ -315,7 +311,6 @@ project(':sbe-all') {
         from (project(':sbe-tool').file('src/main/cpp/otf')) {
             into 'cpp'
         }
-        exclude 'golang/templates'
     }
 
     javadoc {