Remove Java 7 profile.

Newer versions of htsjdk require Java 8.

Change-Id: Ic6ea4a8192b4615873c13db2a0729ed3d89a2203

.travis.yml

@@ -3,7 +3,6 @@ language: java
 jdk:
   - oraclejdk8
   - openjdk8
-  - openjdk7
 
 install: /bin/true  # Don't run "gradle assemble" (which is the default)
 

pom.xml

@@ -216,15 +216,6 @@
         </plugins>
       </build>
     </profile>
-    <profile>
-      <id>java7profile</id>
-        <activation>
-          <jdk>[1.7, 1.8)</jdk>
-        </activation>
-      <properties>
-        <alpn.jar>${basedir}/lib/alpn-boot-7.1.3.v20150130.jar</alpn.jar>
-      </properties>
-    </profile>
     <profile>
       <id>java8profile</id>
         <activation>
@@ -327,6 +318,6 @@
     <io.grpc.version>1.6.1</io.grpc.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.build.targetEncoding>UTF-8</project.build.targetEncoding>
-    <java.version>1.7</java.version>
+    <java.version>1.8</java.version>
   </properties>
 </project>